#Petrochemical Stud Bolts

[roll-fast]

Petrochemical industries | Roll Fast

We are the leading suppliers of Metric & Inch series of stud bolts to Petrochemical Industries. We Manufacture stud bolts as per thread according to ASME B1.1 or according to as per customer requirement. Petrochemical stud bolts are used in many types of categories in Petrochemical Industries. They are categorized by their type, grade & size. We offer various coatings and colours according to the specification of the customer. We provide Self-finish or natural finish, Zinc plated, yellow finished, blue finished, black finished bolts, Hot Dip Galvanized (HDG), Geomat, PTFE, Xylon coating studs.

[ananka-fasteners]

Everything You Need to Know About Super Duplex Fasteners

Introduction

Super Duplex Fasteners is one of the more unique classes of fasteners that have received recognition through their strength, resistance against corrosion, and the ability to sustain a hard environment. They can be found in several industries which include oil and gas, petrochemicals, marine, and chemical processing, whereby standard stainless steel would degrade or fail when subjected to extreme conditions. In the blog below, we shall talk about what makes Super Duplex Fasteners unique. We'll take a deep look into its specifications and chemical composition. Finally, we shall analyze the benefit it provides for applications requiring much harshness.

What is a Super Duplex Fastener?

This alloy contains high proportions of chromium, molybdenum, and nitrogen. As a result, it shows an impressive balance between mechanical strength and corrosion resistance. It delivers twice the strength of a regular austenitic stainless steel.

Why Use Super Duplex Fasteners?

The highlight of Super Duplex Fasteners is that these show resistance towards high stressed as well as very corrosion aggressive environments. These show brilliant performance in seawater environments, high chloride environments as well as those where high-level exposure to acidic content. Their dual-phase microstructure comprising ferritic-austenitic phases have conferred them the benefits of both families of stainless steel.

Super Duplex Fastener Specification

The knowledge of Super Duplex Fasteners will determine the right fastener for your project. Following are the most common standards and mechanical properties:

Standards: ASTM A479, ASTM A276, ASTM A182, ASTM A193, ASTM A194

Tensile Strength: minimum 750 MPa

Yield Strength: minimum 550 MPa

Elongation: upto 25% varies by size and grade

Hardness: Rockwell C 25-30 based on specific alloy composition.

These fasteners exist in many forms which include bolts, nuts, washers, studs, and threaded rods through which the engineer chooses the best fastener according to his need.

Chemical Composition of Super Duplex Fasteners

Chemical composition is what is associated with these Super duplex fasteners. Their typical composition includes:

Cr: 24-26% – particularly improves corrosion resistance in environments rich with chloride.

Ni: 6-8% – improves ductility and strength.

Molybdenum (Mo): 3-4% – Increases pitting and crevice corrosion resistance.

Nitrogen (N): 0.24-0.30% – Improves mechanical strength and stability.

Iron (Fe): Balance – Fills out the alloy to give stability and durability.

The above mix ensures Super Duplex Fasteners work in extreme conditions where others would break.

Use of Super Duplex Fasteners

Super Duplex Fasteners have high demand in those industries where strength and corrosion resistance are highly incorporated. Main applications include:

Oil & Gas: It is utilized in drilling rigs offshore, pipelines, and refineries.

Marine Applications: This type is excellent in seawater systems, desalination plants, and shipbuilding.

Chemical Processing: It can handle aggressive chemical environments and is resistant to acids' attack on corrosion.

Power Generation: Used in turbines, heat exchangers, and other parts exposed to high temperatures and corrosive conditions.

Advantages of Super Duplex Fasteners

Highest Strength: The strength level is twice that of the conventional stainless steels. This, therefore, translates to less structural reinforcements.

Excellent Corrosion Resistance: Excellent in seawater and other chloride-rich environments.

Cost Saving: Though costly initially, the longer lifespan and durability also cut off the frequent changeover costs.

Less Maintenance: Due to their high strength and resistance to corrosion, these bolts have low maintenance over their lifespan.

Wide Temperature Range: Suitable for applications with both high and low temperatures renders them versatile across industries.

Conclusion

Super Duplex Fasteners are a tough alternative for industries that require fasteners to be resistant to aggressive environments without losing their strength or durability. They have excellent corrosion resistance, excellent mechanical properties, and the capability to be resistant to aggressive environments. This makes them a long-lasting, reliable solution for critical applications.

Frequently Asked Questions

1. What is the difference between Duplex and Super Duplex Fasteners?

Super Duplex Fasteners have a higher content of chromium and molybdenum than Duplex Fasteners. This makes them more resistant to corrosion and mechanically strong.

2. Are Super Duplex Fasteners appropriate for marine applications?

Yes, they are very resistant to corrosion in seawater, thus making them a good fit for marine environments.

3. How do I maintain Super Duplex Fasteners?

Super Duplex Fasteners require minimal maintenance. However, regular inspection and cleaning will help to ensure that they function well under adverse conditions.

4. Why is Super Duplex Fastener corrosion-resistant?

Chromium and molybdenum contents, coupled with nitrogen, make them of great importance in resisting environments that consist of chlorides, which is highly acidic in nature.

5. Where can I get Super Duplex Fasteners?

Some of the most trusted manufacturers and dealers for fasteners in industries provide a whole range of industrial fasteners, including an assortment of Super Duplex Fasteners as per all requirements of an industry.

[flangesbolts]

The Role of Bolts, Nuts, and Washers in Industrial Piping Systems: A Regional Guide

Bolts, nuts, and washers play a vital function in maintaining the structural integrity of business piping systems. In industries along with oil and gasoline, petrochemical, energy generation, and water treatment, those fasteners ensure steady and leak-evidence connections among pipes and flanges. Their overall performance, reliability, and cloth selection rely upon elements like temperature, strain, and environmental conditions, making them indispensable in various regional industries. Below is an overview of how these fasteners feature and their key specs.

Importance of Bolts, Nuts, and Washers in Piping Systems

Bolts: These are the number one fasteners answerable for retaining flanges and different additives in place. Their capability to face up to heavy hundreds and high pressures is essential in commercial piping applications.

Nuts: Nuts are threaded onto bolts to stable the connection. They must be robust enough to withstand loosening beneath pressure, vibration, and temperature fluctuations.

Washers: Washers function a protecting layer among the bolt head or nut and the surface of the flange, dispensing load frivolously and preventing surface harm or deformation. They also reduce the threat of leaks by way of improving seal quality. 

Regional Importance

Depending on the vicinity, precise forms of fasteners are selected to meet business requirements and situations:

North America: Emphasis on corrosion resistance, specifically in offshore oil and fuel, in which marine environments call for stainless-steel or alloy fasteners.

Asia-Pacific: A recognition of price-effectiveness and high electricity for electricity and infrastructure initiatives. Carbon metallic bolts with protecting coatings are extensively used.

Europe: Industrial packages require compliance with strict requirements consisting of DIN or ISO, regularly using materials like Duplex or Hastelloy for his or her energy and corrosion resistance in chemical vegetation.

Types of Bolts, Nuts, and Washers for Piping Systems

Stud Bolts: Most commonly used in piping, stud bolts are threaded rods with nuts on each end, imparting a robust, stable preserve for flange connections.

Hex Bolts: Hexagonal bolts with external threading, ideal for bolting together pipe flanges wherein rotational torque is carried out.

Heavy Hex Nuts: Thicker and larger across the residences than general hex nuts, supplying extra power for high-pressure piping structures.

Flat Washers: Simple washers located beneath the bolt head or nut to distribute load calmly, stopping surface put on and tear.

Spring Washers: Designed to prevent loosening due to vibration through preserving a constant tension on the bolt.

Material Selection

The preference of fabric for bolts, nuts, and washers relies upon environmental situations and system necessities. Common materials encompass:

Stainless Steel: Resistant to corrosion, typically used in environments uncovered to moisture or chemical substances, along with in water treatment flowers.

Carbon Steel: Cost-effective and robust, often utilized in excessive-temperature packages which include power generation. Coated versions offer more corrosion resistance.

Alloy Steel: Provides improved electricity and corrosion resistance, used in disturbing environments like chemical flora or marine packages.

Exotic Alloys (Hastelloy, Inconel, Duplex): For intense environments requiring advanced corrosion resistance and excessive mechanical power, often located in oil refineries or offshore drilling.

Specification Table for Bolts, Nuts, and Washers

Component

Material

Standard

Tensile Strength

Yield Strength

Operating Temperature Range

Stud Bolts

Stainless Steel

ASTM A193 B8

75,000 psi

30,000 psi

-29°C to 816°C

Hex Bolts

Alloy Steel

ASTM A193 B16

105,000 psi

60,000 psi

-29°C to 593°C

Heavy Hex Nuts

Carbon Steel

ASTM A194 2H

70,000 psi

45,000 psi

-29°C to 427°C

Flat Washers

Stainless Steel

ASTM F436

-

-

Up to 650°C

Spring Washers

Alloy Steel

DIN 127

-

-

-200°C to 500°C

Factors to Consider When Selecting Fasteners for Piping Systems

Temperature Resistance: Depending at the working temperature, fasteners want to withstand thermal expansion and contraction without dropping electricity or corroding.

Corrosion Resistance: In corrosive environments, which include chemical flora or offshore systems, selecting corrosion-resistant substances like stainless-steel or Hastelloy is vital to keep away from fastener degradation.

Pressure Ratings: The fasteners must be capable of manage the internal pressures of the piping system without deformation or failure, mainly in high-stress applications like steam or gas transmission

Environmental Conditions: External elements along with humidity, salinity, and publicity to chemical compounds should be considered when selecting the right fasteners to make sure long-time period durability and performance.

In industrial piping systems, the role of bolts, nuts, and washers is necessary for ensuring dependable, leak-free connections and the overall integrity of the machine. Selecting the right type of fasteners primarily based on fabric, environmental situations, and business requirements is key to reaching lengthy-time period performance and protection. Flanges Bolt affords a complete variety of fasteners, ensuring compliance with worldwide standards, and meeting the unique wishes of industries worldwide.

For more statistics or to inquire about custom fasteners, contact Flanges Bolt today.

[sankalpalloys]

Duplex Steel S32750 Fasteners Manufacturers

In today's industrial landscape, choosing the right fasteners can make all the difference between seamless operations and unexpected failures. As industries push boundaries with extreme temperatures, pressures, and corrosive environments, the demand for high-performance materials continues to grow. This is where Duplex Steel S32750 Fasteners stand out, offering unparalleled strength and resistance. But what exactly makes these fasteners exceptional? Let’s dive into their properties, benefits, and why they are the preferred choice for many sectors worldwide.

What are Duplex Steel S32750 Fasteners?

Duplex Steel S32750, often referred to as Super Duplex, is a highly durable and corrosion-resistant alloy that combines the best characteristics of both austenitic and ferritic stainless steels. The alloy features a blend of chromium, molybdenum, and nitrogen, offering enhanced mechanical strength and superior resistance to pitting, crevice corrosion, and stress corrosion cracking.

Duplex Steel S32750 Fasteners are industrial-grade components, including bolts, nuts, screws, and washers, designed to endure harsh conditions. They are widely used across industries such as oil and gas, petrochemical, marine, and construction due to their robust performance.

Key Properties of Duplex Steel S32750 Fasteners

The exceptional properties of Duplex Steel S32750 Fasteners make them ideal for demanding applications:

High Corrosion Resistance: The alloy’s high chromium and molybdenum content provide superior resistance to corrosion in both oxidizing and reducing environments. This makes the fasteners perfect for use in chloride-rich environments, such as seawater and chemical processing industries.

Exceptional Strength: With nearly twice the yield strength of conventional austenitic stainless steels, Duplex Steel S32750 offers outstanding mechanical strength. This enables the use of thinner, lighter fasteners without compromising performance.

Excellent Thermal Conductivity: Compared to austenitic grades, Duplex Steel S32750 exhibits better thermal conductivity, making it suitable for high-temperature applications.

Low Thermal Expansion: The alloy’s reduced thermal expansion minimizes distortion in fasteners during temperature changes, ensuring stability and reliability.

Resistance to Stress Corrosion Cracking (SCC): The combination of ferritic and austenitic properties reduces susceptibility to SCC, particularly in environments containing chlorides and sulfides.

Specifications of Duplex Steel S32750 Fasteners

When it comes to selecting the right fasteners, the following specifications are essential:

Specification: ASTM A479, A182 / ASME SA479, SA182

Dimension Standards: DIN, ISO, ASTM, JIS, BS, GB, IS, and other international standards

Size Range: M3 - M56 | 3/6" to 2" | Custom sizes available

Length: 3 mm to 200 mm

Types Available: Nuts, bolts, screws, sockets, studs, hex set screws, socket screws, cap screws, pan head screws, machine screws, socket head cap screws, Allen cap screws, wing screws, washers, spring washers, anchor bolts, marine anchors, J bolts, U bolts, and many more

Benefits of Using Duplex Steel S32750 Fasteners

Longer Lifespan: Due to their high corrosion resistance, these fasteners exhibit an extended service life, even in challenging conditions.

Cost-Effective: The increased strength of Duplex Steel S32750 allows for the use of smaller, lighter fasteners, reducing material costs.

Enhanced Safety: Their superior resistance to environmental factors ensures minimal maintenance, reducing the risk of unexpected failures and enhancing overall safety.

Versatility: Available in a wide range of sizes and types, Duplex Steel S32750 Fasteners can be customized for specific industrial applications.

Applications of Duplex Steel S32750 Fasteners

Due to their remarkable properties, Duplex Steel S32750 Fasteners find applications in a wide array of industries:

Oil and Gas Industry: Used in offshore platforms, pipelines, and subsea equipment where resistance to chlorides is critical.

Chemical Processing: Ideal for fasteners in chemical tanks, reactors, and other equipment exposed to corrosive substances.

Marine Environments: Commonly used in shipbuilding, desalination plants, and other marine structures due to their resistance to seawater corrosion.

Construction: Suitable for infrastructure projects requiring high-strength and corrosion-resistant fasteners.

Pulp and Paper Industry: Used in equipment subjected to high temperatures and chemicals.

Why Choose Sankalp Alloys Overseas for Duplex Steel S32750 Fasteners?

Sankalp Alloys Overseas is a trusted name in the field of industrial fasteners, recognized as a leading manufacturer, exporter, stockist, and supplier of Duplex Steel S32750 Fasteners in India and abroad. With years of experience and a commitment to quality, Sankalp Alloys Overseas has established itself as an expert in providing top-notch solutions for various industrial needs.

1. Expertise in Manufacturing and Exporting: Sankalp Alloys Overseas boasts an advanced manufacturing facility equipped with state-of-the-art technology. The company adheres to stringent quality standards to ensure that every fastener meets or exceeds industry specifications.

2. Extensive Product Range: With a comprehensive selection of fasteners, including custom sizes, Sankalp Alloys Overseas caters to diverse industrial requirements. Whether you need bolts, screws, washers, or specialty fasteners, they have it all.

3. Global Reach: As leading Duplex Steel S32750 Fasteners exporters, Sankalp Alloys Overseas serves clients across the globe, offering reliable and timely delivery.

4. Quality Assurance: The company conducts rigorous testing on all products to guarantee durability and performance. Certifications like ASTM and ASME are a testament to their dedication to quality.

5. Customer-Centric Approach: Sankalp Alloys Overseas places a high priority on customer satisfaction, providing technical support, competitive pricing, and prompt service.

Conclusion

Duplex Steel S32750 Fasteners are indispensable components for industries that demand high-strength, corrosion-resistant, and reliable fastening solutions. With their outstanding properties, these fasteners ensure long-term performance in challenging environments. For industries seeking the best in quality and durability, partnering with a reputable manufacturer like Sankalp Alloys Overseas is essential.

Contact Sankalp Alloys Overseas Today

To learn more about Duplex Steel S32750 Fasteners or to place an order, reach out to Sankalp Alloys Overseas:

Contact Number: +91-8828369483

Email: parth@sankalpalloys.com

Website: https://www.sankalpalloys.com

Choosing Sankalp Alloys Overseas means choosing quality, reliability, and industry expertise. Make the right choice for your industrial fastening needs today!

[mukeshmus]

Duplex Steel  S31803  Stud Bolt 

Introduction

Duplex Steel S31803, also known as UNS S31803, is a highly sought-after material in the industrial sector due to its superior combination of properties from both austenitic and ferritic stainless steels. Its unique microstructure provides excellent resistance to stress corrosion cracking, higher strength compared to conventional stainless steels, and good weldability. These characteristics make it a popular choice for manufacturing stud bolts, which are essential components in various industrial applications, including oil and gas, petrochemical, and marine industries.

Understanding Duplex Steel S31803

1. Composition: Duplex Steel S31803 comprises roughly equal proportions of austenite and ferrite, with typical alloying elements such as chromium (22-23%), molybdenum (3-3.5%), and nickel (4.5-6.5%). This balanced composition enhances its mechanical properties and corrosion resistance.

2. Properties:

Corrosion Resistance: Duplex S31803 exhibits superior resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion. This makes it ideal for harsh environments.

Mechanical Strength: It has nearly twice the yield strength of standard austenitic stainless steels, making it suitable for high-stress applications.

Durability: The balanced microstructure ensures good fatigue and erosion resistance, extending the lifespan of components made from this material.

STUDS SPECIFICATIONS

Standard

Length

Size

Type

DIN, ASTM, BS and all International Standards

3 mm to 200 mm

M3 - M56 | 3/6" to 2" | Custom Sizes

Studs, Threaded Studs.

Conclusion

Duplex Steel S31803 stud bolts play a vital role in ensuring the reliability and safety of industrial installations. With their exceptional strength, corrosion resistance, and durability, they are indispensable in challenging environments. Manufacturers of these stud bolts adhere to rigorous quality standards, employing advanced manufacturing techniques to deliver products that meet the highest expectations. As industries continue to evolve, the demand for high-quality Duplex Steel S31803 stud bolts is expected to grow, reinforcing their significance in the industrial landscape.

For More Information:

Visit Our Website  -https://www.chhajedfastners.com/

Call Us – +91-932-111-3630

Email Us- info@chhajedsteel.com

[mcneilinstruments]

Understanding the Essential Role of Check Valves

The check valve is a fundamental component in both commercial and residential fluid control systems, widely recognized for its vital role in ensuring unidirectional flow and preventing backflow. At Mcneil Instruments Inc., we pride ourselves on being one of India's top check valve manufacturers, suppliers, and exporters, offering products of unparalleled quality suited to a variety of applications.

What is a Check Valve?

A check valve, also known as a non-return valve, is a simple yet vital device in any fluid control system.  Its primary function is to allow flow in one direction only, preventing backflow and ensuring the smooth operation of your system.

Why are Check Valves Important?

Check valves play a critical role in various applications by:

Preventing Backflow: This is essential in situations where backflow could damage equipment, contaminate fluids, or even pose safety risks.

Maintaining System Efficiency: By ensuring proper flow direction, check valves contribute to the optimal performance of your system.

Protecting Equipment: They safeguard pumps and other components from the damaging effects of reverse flow.

Applications Across Industries

Our check valves are designed to serve a broad spectrum of industries, including:

Petrochemical Sector: Ensuring safe and efficient fluid control in processes involving hazardous chemicals.

Chemical Industries: Providing reliable performance in systems handling aggressive and corrosive substances.

Steel Factories: Facilitating the smooth operation of cooling and fluid transport systems.

Fire Prevention Systems: Ensuring the integrity of fire suppression systems by preventing backflow and maintaining pressure.

Shipping Industries: Offering robust and durable solutions for marine applications where reliability is paramount.

Customization and Precision Engineering

At Mcneil Instruments, we understand that every application has unique requirements. Our check valves are crafted from high-quality stainless steel and adhere to stringent international standards, ensuring durability and performance. Additionally, we offer customization options to tailor our valves to the specific needs of our clients, ensuring optimal compatibility and performance.

The Mechanics of Check Valves

Check valves, also known as non-return valves, are designed to allow fluid to flow in one direction only, preventing backflow. They are activated by line fluid pressure and closed by gravity, aided by the back pressure of the fluid. The key components of these valves include the body, cover plate, disc, body seats, nuts, stud bolts, and gasket, all meticulously assembled to form a fully functional check valve.

Versatility in Design

Our range of check valves includes various configurations to meet diverse industrial needs:

2-Way Check Valves: Allow fluid to flow in one direction while blocking flow in the opposite direction, ideal for applications where backflow prevention is crucial.

3-Way Check Valves: Provide versatility by offering three ports for fluid flow control, allowing redirection of flow within the system as needed.

4-Way Check Valves: Enable even greater flexibility, with four ports to control the direction of fluid flow in complex piping systems.

Commitment to Customer Satisfaction

At Mcneil Instruments, we prioritize customer satisfaction from the moment of purchase and continue to provide top-notch services afterward. Our certified check valves are designed to enhance customer satisfaction by ensuring reliable performance and longevity.

Why Choose Mcneil Instruments' Check Valves?

As industry leaders, Mcneil Instruments is synonymous with excellence in the check valve manufacturing sector. We combine traditional craftsmanship with innovative advancements to produce check valves that not only meet but exceed industry standards. Our commitment to quality and precision engineering ensures that every valve we produce is of the highest caliber, capable of performing reliably under demanding conditions.

Conclusion

In summary, check valves from Mcneil Instruments Inc. are essential components in fluid control systems, ensuring the flow of liquids or gases in one direction while preventing backflow. With our extensive range of high-quality check valves, we cater to various industrial applications, providing reliable, durable, and customizable solutions. Choose Mcneil Instruments for your check valve needs and experience the difference in quality and performance.

[universemetal123]

Stainless Steel 310S Fasteners Exporters in India

Introduction

Universe Metal & Alloys is a prominent name in the manufacturing and distribution of high-quality fasteners, serving a wide range of industries with precision and reliability. Our commitment to excellence is exemplified by our Stainless Steel 310S Fasteners, designed to meet the demanding requirements of various applications. For inquiries, contact us at info@universemetal.com or call us at +91-22-66363360 / 66393788.

Description

Stainless Steel 310S Fasteners are crafted from an austenitic stainless steel known for its exceptional resistance to oxidation and corrosion, even at elevated temperatures. These fasteners include bolts, nuts, screws, washers, and more, meticulously designed to ensure durability and performance in harsh environments. The 310S grade stainless steel, with its higher chromium and nickel content, offers superior strength and excellent formability, making it ideal for high-temperature applications.

Benefits

The key benefits of Stainless Steel 310S Fasteners from Universe Metal & Alloys include:

High Temperature Resistance: These fasteners maintain their integrity and strength even in temperatures up to 1100°C, making them perfect for furnaces, heat exchangers, and other high-heat applications.

Corrosion Resistance: The 310S grade offers excellent resistance to oxidation and corrosion, ensuring longevity and reliability in challenging environments.

Durability: With superior mechanical properties, these fasteners provide robust performance and extended service life.

Versatility: Suitable for various industrial sectors, including petrochemical, power generation, and chemical processing industries.

Ease of Fabrication: The material's excellent weldability and formability allow for easy fabrication and installation.

Specification

Our Stainless Steel 310S Fasteners come in a range of sizes and specifications to meet diverse customer needs:

Material Grade: 310S (UNS S31008)

Standards: ASTM A193, A194, A320, DIN, ISO, BS, ASME, and more

Types: Bolts, nuts, screws, washers, studs, and custom fasteners

Size Range: M6 to M100, or as per customer requirements

Threading: UNC, UNF, Metric, BSF, BSW

Finish: Plain, zinc-plated, hot-dip galvanized, or customized finishes

Conclusion

Universe Metal & Alloys is dedicated to delivering top-quality Stainless Steel 310S Fasteners that meet the stringent demands of modern industry. Our fasteners are designed for high performance, ensuring safety, durability, and efficiency in your applications. For more information or to place an order, please reach out to us at info@universemetal.com or call +91-22-66363360 / 66393788. Experience the reliability and excellence of Universe Metal & Alloys' Stainless Steel 310S Fasteners today.

[lovelypol]

"Efficiency on Fire: Bolstering Maintenance with Bolt Heater Innovation"

Bolt heaters are emerging as indispensable tools in industrial maintenance and repair operations, providing efficient and reliable solutions for loosening stubborn bolts and fasteners. These portable heating devices utilize electric or induction heating to raise the temperature of bolts, studs, and nuts, facilitating their removal without damaging surrounding equipment or components. Bolt heaters are particularly valuable in industries such as petrochemicals, power generation, and manufacturing, where equipment downtime due to seized bolts can result in costly delays and disruptions. With their ability to deliver controlled and uniform heat, bolt heaters effectively expand and contract metal components, breaking the bond of rust, corrosion, or thread lock compounds that may have formed over time. This process significantly reduces the time and effort required for bolt removal, enhancing maintenance efficiency and minimizing the risk of damage to machinery and infrastructure. Additionally, advancements in bolt heater technology, such as programmable temperature settings and safety features, further improve their usability and reliability in diverse industrial settings. As industries strive for increased uptime, productivity, and safety, bolt heaters play a crucial role in streamlining maintenance operations and ensuring the integrity of critical infrastructure.

#BoltHeaters #IndustrialMaintenance #FastenerRemoval #Efficiency #Productivity #Safety #MaintenanceTools #IndustrialRepair #EquipmentMaintenance #InnovationInIndustry #SmartTechnology #IndustrialSafety #Manufacturing #InfrastructureMaintenance #ToolsoftheTrade

[big-bolt-nut]

The Strength of Threads: A Guide to ASTM Stud Bolts and Nuts - Bigboltnut

ASTM stud bolts and nuts are essential components in various industrial applications, known for their reliability and compliance with stringent standards. ASTM, or the American Society for Testing and Materials, provides specifications that ensure these fasteners meet rigorous quality and performance criteria. Stud bolts, which are fully threaded rods with no head, are commonly used in flange connections and high-pressure environments. They are designed to withstand significant mechanical stress and are often paired with heavy hex nuts to secure components in place.

The materials used for ASTM stud bolts and nuts are carefully selected to meet specific mechanical properties, including tensile strength, hardness, and resistance to environmental factors like corrosion. Common materials include carbon steel, alloy steel, and stainless steel, each chosen based on the application requirements. For instance, ASTM A193 specifies alloy and stainless steel for high-temperature or high-pressure service, while ASTM A194 covers nuts that pair with these bolts.

These components are critical in sectors such as petrochemical, oil and gas, power generation, and construction. Their adherence to ASTM standards ensures compatibility, durability, and safety in demanding environments. Proper selection and use of ASTM stud bolts and nuts are crucial for maintaining the integrity and performance of industrial installations.

Source Url: https://www.bigboltnut.com/product/astm-a193-gr-b7.html

[fasteners-bolts]

STAINLESS STEEL 310/310S STUD BOLTS

Introduction:

In the realm of industrial materials, few substances match the versatility, durability, and reliability of stainless steel. Among the plethora of stainless steel grades available, Stainless Steel 310 stands out as a formidable choice for various applications across industries. Recognizing its significance, DC Engineering is proud to shed light on the exceptional qualities and applications of Stainless Steel 310.

Stainless Steel 310: The Unyielding Alloy:

Stainless Steel 310 is a high chromium-nickel alloy renowned for its exceptional resistance to high-temperature environments. Composed primarily of iron, chromium, and nickel, with additions of manganese and silicon, SS 310 exhibits superior oxidation resistance even under cyclic conditions.

Key Attributes of Stainless Steel 310:

High Temperature Resistance: One of the most prominent features of Stainless Steel 310 is its ability to withstand elevated temperatures. It retains strength and oxidation resistance at temperatures up to 2100°F (1149°C), making it ideal for applications in heat treatment furnaces, radiant tubes, and other high-temperature environments.

Corrosion Resistance: SS 310 offers excellent resistance to oxidation and corrosion in various atmospheric environments. Its chromium and nickel content form a protective oxide layer, enhancing its durability and longevity in corrosive settings, including chemical processing plants and marine environments.

Superior Mechanical Properties: With its combination of high chromium and nickel content,Stainless Steel 310 boasts excellent mechanical properties, including high tensile strength, toughness, and ductility. This makes it suitable for structural components, piping systems, and pressure vessels subjected to high stress and temperature fluctuations.

Applications of Stainless Steel 310:

Heat Treatment Furnaces: Due to its exceptional high-temperature resistance, SS 310 is commonly used in the construction of heat treatment furnaces, where it ensures prolonged service life and reliable performance under extreme thermal conditions.

Chemical Processing Equipment: In chemical processing industries,Stainless Steel 310 finds extensive use in reactors, heat exchangers, and piping systems handling corrosive chemicals and high-temperature fluids, where its resistance to oxidation and corrosion is paramount.

Aerospace and Power Generation: The aerospace and power generation sectors rely on SS 310 for components exposed to extreme temperatures and demanding operating conditions. Its high-temperature strength and oxidation resistance make it indispensable for gas turbine engine components, exhaust systems, and aerospace structures.

Petrochemical Industry: Stainless Steel 310 plays a vital role in the petrochemical industry, where it is utilized in refinery equipment, distillation columns, and piping systems for its ability to withstand aggressive environments and high-temperature processes.

DC Engineering: Your Trusted Partner for Stainless Steel Solutions:

At DC Engineering, we pride ourselves on delivering premium-grade stainless steel products tailored to meet the diverse needs of our clients. With a commitment to quality, innovation, and customer satisfaction, we offer a comprehensive range of Stainless Steel 310 products engineered to excel in the most demanding applications.

From customized fabrications to off-the-shelf components, our experienced team employs state-of-the-art manufacturing processes and stringent quality controls to ensure the highest standards of excellence. Whether you require heat-resistant furnace components, corrosion-resistant piping systems, or precision-engineered structural components, DC Engineering is your trusted partner for superior stainless steel solutions.

Conclusion:

Stainless Steel 310 stands as a testament to the ingenuity and resilience of modern metallurgy, offering unparalleled performance in high-temperature and corrosive environments. With its remarkable attributes and diverse applications, SS 310 continues to be a cornerstone material across industries, driving innovation and progress.



[fastnersllp]

Duplex vs Super duplex Fasteners

Super Duplex fasteners are made of super duplex steel, a superior version of duplex steel. This material has higher nickel and molybdenum content than duplex stainless steel and offers better properties. The material is known to provide pitting and crevice corrosion resistance. Super Duplex 2507 grade is a top alloy for applications involving critical environments. Super duplex steel fasteners require chromium and nickel alloys for their manufacturing. These fasteners have high strength and temperature resistance. The material also consists of properties of ferritic and austenitic stainless steel. The fasteners are perfect in the industrial sector as they are strong, corrosion-resistant, and cost-effective. Moreover, these fasteners provide stress-cracking resistance and require a simple manufacturing process.

Features of Super Duplex 32750 fastener 

These fasteners are known to resist erosion under saltwater and freshwater conditions as the composition of this material helps resist corrosion.

Super duplex steel has high strength, formability, and pliability.

It has high strength and corrosion resistance.

Super duplex fasteners do not pit at high temperatures of around 425 degrees Celsius.

Super duplex steel fasteners have stress corrosion cracking and crevice corrosion resistance.

These fasteners have higher durability and deformability than chrome steel.

These fasteners can resist impacts under extensive temperature ranges, abrasion, and erosion. 

Super duplex fasteners have excellent hardenability and low heat transfer rates. Super Duplex vs Duplex Steel S32205 fasteners

Stainless steel is classified as duplex and super duplex stainless steel per their microstructure phases. Duplex stainless steel has microstructures like austenitic and ferritic stainless steel. Duplex steel has a combination of ferrite and austenite stainless steel. The crystalline structure has a balanced ratio (50:50) of austenite and ferrite. Another category of duplex steel is super duplex stainless steel. The super duplex stainless steel has a dual microstructure and fasteners made of super duplex steel have high pitting resistance, ranging between 22 and 45. This steel category has better corrosion resistance than its counterparts. Super Duplex 32750 fasteners and Super Duplex 32760 fasteners have better properties than Stainless Steel 304 or 316 fasteners. Super duplex stainless steel fasteners have high strength but they have low impact resistance due to their intermetallic phase. Hence, one must consult reputed stainless steel fastener suppliers who will help you understand your requirements and deliver quality products. Super Duplex Fastener Applications Super duplex fasteners have better properties than other stainless steel grades. The material is used for manufacturing fasteners like screws, bolts, nuts, threaded rods, stud bolts, washers, and custom fasteners. Super duplex fasteners are available in grades like S32550, S32760, and S32750. These fasteners find offshore and onshore gas and oil applications, especially in pipelines, as they are prone to corrosion due to the fluids flowing inside them. Super duplex steel does not break easily and is perfect for high-pressure applications, making it perfect in the commercial and residential sectors. Following are some of the top applications of super duplex fasteners:  Sea Water Desalination Plants  Power Plants  Marine Sector  Chemical Processing  Shipbuilding  Paper & Pulp Processing Sector  Petrochemical Industry  Oil and Gas Industry   Power Plants  Energy Generation  Pharmaceutical Sector  Food Processing  Aerospace Sector  Refineries Final thoughts Super duplex fasteners have exceptional properties, which makes them perfect for marine applications or applications involving corrosive environments. These fasteners are available in extensive designs, sizes, materials, and more. Fasteners & Fixtures LLP is a Fastener manufacturer offering quality products that undergo advanced manufacturing. The company utilizes high-grade raw material that undergoes extensive testing. Manufacturing of the stainless steel fasteners utilizes advanced technologies. The products also undergo rigorous testing to ensure their quality. Experts at Fasteners and Fixtures LLP guide customers to choose the perfect product for their project requirements. For more information, visit their website today!

[roll-fast]

Double ended threaded studs bolts manufacturer | Roll Fast

We are the leading suppliers of Metric & Inch series of stud bolts to Petrochemical Industries. We Manufacture stud bolts as per thread according to ASME B1.1 or according to as per customer requirement. Petrochemical stud bolts are used in many types of categories in Petrochemical Industries. They are categorised by their type, grade & size. Double ended threaded studs bolts manufacturer are a kind of fastener that have equal lengths of their shaft threaded on both the ends of the fastener. These fasteners are available in four classes of stainless steel.

[ananka-fasteners]

All Inclusive Guide of ASTM A193 Grade B8LN

ASTM A193 Grade B8LN refers to Specification of High Tensile Bolts, Screws, Stud Bolts, Anchor Bolts, Threaded Rods, and other externally threaded fasteners made from 304LN stainless steel. Material good mechanical properties and corrosion resistance property, due to which material has high demand for various types of industrial applications which especially require high strength and durability.

What is ASTM A193 Grade B8LN?

ASTM A193 is the standard specification by the American Society for Testing and Materials (ASTM) on alloy-steel and stainless-steel bolting material for high-temperature or high-pressure service and other special applications. The "B8LN" grade is a bolt specifically manufactured from 304LN stainless steel.

304LN Stainless Steel. It is a sub-group of low-carbon variant of 304 stainless steel, material nitrogen-stabilized after. This is to enhance its strength and resistance to corrosion. In this context, "LN" is an abbreviation that shows this steel content is low in carbon with relation to "L". It is stabilized by adding nitrogen (N). Such alteration helps to prevent precipitation of carbides during welding, thus enhancing the performance of the weld mainly in such processes or applications where the welding occurs.

Chemical Composition

The following are properties of the chemical compositions of ASTM A193 Grade B8LN:

Carbon (C) : ≤ 0.03%

Manganese (Mn): ≤ 2.00%

Silicon (Si): ≤ 1.00%

Phosphorus (P): ≤ 0.045%

Sulfur (S): ≤ 0.030%

Chromium (Cr): 18.00 - 20.00%

Nickel: - 8.00% - 12.00%

Nitrogen (N): 0.10 - 0.16%

Carbon content is very low which minimizes the chances of intergranular corrosion and nitrogen addition increases tensile strength.

Mechanical Properties

ASTM A193 GRADE B8LN fasteners have impressive mechanical properties:

Tensile Strength: Min. 75,000 psi 515 MPa

Yield Strength: Min. 30,000 psi 205 MPa

Elongation: At least 35%

Brinell hardness: Not more than 223 HB

These qualities make grade B8LN suitable for use in such industry applications where severe conditions are encountered, such as chemical processing plants, oil refineries, etc for it endures high pressure and high-temperature conditions occurring in these industries.

ASTM A193 Grade B8LN Uses/ Applications

Petrochemical and Chemical Processing: Petrochemical and chemical processing plants require excellent corrosion resistance and very high tensile strength of B8LN. These fasteners are essential because they work in aggressive chemicals and extreme temperature applications.

Offshore and Onshore: Drilling operations require these fasteners as they perform their work in high pressure and corrosive environments.

Nuclear and Power Plants: The material is highly resistant to heat and radiation. Hence, the use is found in power-generation facilities, especially in nuclear reactors, where there is a need for stability and strength.

Food processing Equipment: This Stainless steel 304LN can be of great use in food processing since it does not corrode fast and cleaning is easily carried out since this is very hygienic

Benefits of ASTM A193 Grade B8LN

Excellent corrosion resistance with high chromium and nickel content, particularly in aggressive environments.

Low carbon content limits carbide precipitation possibility, thus suitable for welding operations without loss of material integrity.

Nitrogen addition raises the tensile strength, leading to higher strengths, and durability.

Can be applied to various chemical and petrochemical industries, food processing, and power generation purposes.

Comparison to Other Grades

There are so many grades of ASTM A193, but some benefits include B8LN over other grades as follows:

B8: Similar to B8, B8 is made from 304 stainless steel, but is not nitrogen-enhanced. Nitrogen added in B8LN makes it stronger.

B8M: It is used with 316 stainless steel. B8M has a better corrosion resistance than other grades, especially in chloride environments. However, B8LN has a tensile strength greater than that of B8M, which is helpful when high pressure is on the cards.

Conclusion:

Fasteners of ASTM A193 Grade B8LN shall be used to applications that require industrial demand for offering a very high tensile strength at the same time offering excellent corrosion resistance. Composition with lower carbon and enhanced by nitrogen in 304LN stainless steel gives it durability and weldability with resistance against the most severe chemical compounds even in the most rigorous application like in petrochemical plants, power generation facilities, food processing equipment etc. Thus, the properties and benefits of ASTM A193 Grade B8LN ensure proper fastener selection for demanding applications.

FAQs

1. What is the application of ASTM A193 Grade B8LN?

ASTM A193 Grade B8LN is used to make high-tensile bolts, screws, stud bolts, threaded rods, and other externally threaded fasteners for applications where extremely high pressures or temperatures are involved.

2. How is B8LN different from B8?

B8LN differs from B8 with the inclusion of content of nitrogen (N) that provides strength enhancement over and above the standard B8 bolt, since it consists of 304 stainless steel, and it does not contain nitrogen.

3. Are B8LN fasteners weldable?

Yes, because B8LN fasteners can be welded due to low carbon content that prevents carbide precipitation when welded so will avoid corrosion resistance.

4. Is ASTM A193 Grade B8LN suitable for food processing equipment?

Yes, since B8LN features excellent corrosion resistance and toughness it is also suitable for food processing equipment for the sake of hygiene and lifetime.

5. Are B8LN fasteners resistant to chloride environments?

B8LN resists corrosion fairly well and is generally less resistant to chlorides compared with B8M- or 316-stainless-steel fasteners. B8M would probably be a better choice for chloride-rich environments.

Well, if you have further questions or concerns in relation to your job, feel free to ask, and then pick the right fasteners for your jobs.

[deltafittinc]

What is a Stud Bolt? Types, Grades, and Standards 

Delta Fitt Inc., your dependable Stud Bolts Manufacturers in India, Welcome to the realm of precise fasteners. We are well-known for our attention to quality and perfection, and we specialise in creating stud bolts, which serve as the foundation of solid connections in a range of sectors. Consider Delta Fitt Inc, where each bolt is a testament to great engineering.

What is a Stud Bolt?

Stud bolts are specialist fasteners used to provide secure and long-lasting connections in a variety of applications. These threaded rods include bolts at both ends and a unique design that includes an unthreaded centre part. Stud bolts are key structural components in the construction, oil & gas, petrochemical, and power generation industries, due to their high tensile strength and ease of installation.

Their threaded design enables for simple installation, making them useful in situations needing frequent disassembly. Stud bolts are dependable components in the fastener landscape, helping to maintain structural and mechanical stability.

Types of Stud Bolts

Fully Threaded Stud Bolts:

Ideal for applications requiring maximum thread engagement. Commonly used in scenarios where both ends need to be screwed into different components.

Double-End Stud Bolts:

Threaded on both ends, allowing for versatile applications.Used when components need to be tightened from both ends simultaneously.

Tap-End Stud Bolts:

Features threads on one end and a chamfered point on the other. Useful in situations where quick alignment and engagement are necessary.

Continuous Thread Stud Bolts:

Uninterrupted threading for the entire length.Suitable for heavy-duty applications where strength is paramount.

Top 3 ASTM Standard Stud Bolt Grades

ASTM A193 Grade B7 Stud Bolts:

B7 stud bolts, known for their high tensile strength and durability, are integral in critical applications. As reputable B7 Stud Bolts Manufacturers in India,We assure precision engineering and provide sturdy solutions for sectors where secure fastening is critical. Deltafitt Inc can supply B7 stud bolts that fulfill high quality requirements, assuring reliability in a variety of industrial environments.

ASTM A193 Grade B8 Stud Bolts:

B8 stud bolts, synonymous with corrosion resistance and exceptional performance, play a crucial role in demanding environments. As leading B8 Stud Bolts Manufacturers in India, Delta Fitt specializes in producing these bolts with precise engineering, providing dependable solutions for industries that require corrosion-resistant fastening. Count on us to supply high-quality B8 stud bolts that satisfy demanding quality requirements, assuring longevity and consistent performance in a wide range of industrial applications.

ASTM A193 Grade B8M Stud Bolts:

B8M stud bolts are known for their corrosion resistance, making them perfect for use in harsh situations. We excel in producing these bolts with precision engineering as a trusted B8M stud bolts manufacturer in India. Our B8M stud bolts are reliable solutions for industries that require corrosion protection, offering endurance and consistent performance across a wide range of industrial applications. Count on us for high-quality B8M stud bolts that exceed stringent quality requirements while delivering long-lasting fastening solutions.

Visit Delta Fitt for Choosing the Best Stud Bolts

Finally, Stud bolts are hidden fastener shining examples, securing structures and components across a wide range of industries. From construction to oil and gas, the kinds, selection criteria, and adherence to standards are critical for their successful usage. Understanding the subtleties of stud bolts enables industries to assure project safety, dependability, and lifespan.

Delta fitt, obtained the best stud bolts by top Stud Bolt Manufacturer in India, takes centre stage. Learn about their competitive advantages, manufacturing strategies, and market position. Examine the benefits, emphasise key aspects, and learn about industry challenges. Consider the future danger of stud bolt expansion. Choose best quality stud bolts like B7 &  B8 Stud Bolts reliability for secure projects. Make the right choice for lasting reliability. Choosing these stud bolts from trusted B8 and B7 Stud Bolts suppliers in India creates a construction cooperation.

As a Stud Bolt Suppliers in India, Elevate your projects with the robust reliability of Stud Bolts. Secure success now! 

[sankalpalloys]

Duplex Steel S32760 Fasteners Exporters

When it comes to high-performance fasteners that can withstand extreme conditions, Duplex Steel S32760 Fasteners stand out as a reliable and superior choice. These fasteners offer exceptional resistance to corrosion, immense strength, and are well-suited for various industrial applications. Sankalp Alloys Overseas, a renowned name in the industry, is the leading manufacturer, supplier, exporter, and stockist of Duplex Steel S32760 Fasteners in Mumbai, India, and across the globe.

What is Duplex Steel S32760?

Duplex Steel S32760, also known as Super Duplex, is a highly alloyed stainless steel, known for its high mechanical strength and outstanding resistance to corrosion. With a balanced mix of austenitic and ferritic phases, this grade provides superior performance in environments that demand both high strength and resistance to corrosive chemicals.

Key Properties of Duplex Steel S32760 Fasteners

Excellent Corrosion Resistance: Superior to standard austenitic or ferritic stainless steels, particularly in chloride-containing environments.

High Strength: Combines the mechanical strength of ferritic steel with the corrosion resistance of austenitic steel.

Thermal Conductivity: Higher thermal conductivity than austenitic grades.

Stress Corrosion Cracking Resistance: Designed to resist cracking in high-stress environments.

Good Weldability: Duplex S32760 fasteners can be easily welded without the need for post-weld heat treatments.

Specifications of Duplex Steel S32760 Fasteners

Specification: ASTM A479, A182 / ASME SA479, SA182

Dimensions: DIN, ISO, ASTM, JIS, BS, GB, IS, and all International Standards

Size Range: M3 - M56 | 3/6" to 2" | Custom Sizes Available

Length: 3 mm to 200 mm

Types: Nuts, Bolts, Screws, Sockets, Studs, Washers, Anchors, U-Bolts, J-Bolts, Hex Bolts, and more.

Benefits of Duplex Steel S32760 Fasteners

Superior Corrosion Resistance: Ideal for use in aggressive environments such as offshore, petrochemical, and chemical processing industries.

High Mechanical Strength: Suitable for applications that demand both strength and durability.

Cost-Effective: Long lifespan reduces the need for frequent replacements, lowering overall maintenance costs.

Versatility: Available in various types and sizes, they can be customized to meet specific application requirements.

Environmentally Friendly: The long-lasting nature of Duplex S32760 fasteners helps reduce waste and promotes sustainable operations.

Applications of Duplex Steel S32760 Fasteners

Oil & Gas Industry: Ideal for subsea components and platforms where corrosion resistance and high strength are essential.

Marine Applications: Used in shipbuilding, marine hardware, and other marine environments due to excellent corrosion resistance to seawater.

Petrochemical Industry: Widely used in chemical plants, reactors, and refineries where both strength and corrosion resistance are necessary.

Power Generation: Essential in the construction of power plants and related equipment.

Desalination Plants: Excellent resistance to brackish water and high chloride environments makes them a popular choice for desalination projects.

Why Choose Sankalp Alloys Overseas?

Sankalp Alloys Overseas is a trusted name in the world of metal fasteners, providing top-quality Duplex Steel S32760 Fasteners to clients in India and worldwide. Here’s why we are the best choice:

Extensive Industry Experience: With years of experience, we understand the technical demands of industrial applications and provide solutions that meet the highest standards.

Global Reach: As leading Duplex Steel S32760 Fasteners Exporters, we cater to international markets with prompt deliveries and quality assurance.

Custom Solutions: We offer a wide range of sizes, types, and dimensions, with the ability to customize fasteners to your specific needs.

Quality Assurance: All our fasteners are manufactured under stringent quality controls, ensuring they meet international standards like ASTM, DIN, and ISO.

Excellent Customer Support: We pride ourselves on providing personalized service, offering expert advice, and ensuring customer satisfaction every step of the way.

Conclusion

For industries requiring high-performance fasteners that can endure harsh environments, Duplex Steel S32760 Fasteners are a perfect choice. They offer exceptional strength, corrosion resistance, and durability, making them ideal for use in sectors like oil & gas, marine, and chemical processing. Sankalp Alloys Overseas is your reliable partner, offering top-quality fasteners, tailored to your specific needs. With global delivery and competitive prices, we are the go-to Duplex Steel S32760 Fasteners manufacturers and exporters in India and beyond.

For inquiries and orders, reach out to us at:

Email: parth@sankalpalloys.com

Contact Number: +91-8828369483

Website: https://www.sankalpalloys.com

Optimize your projects with the strength and reliability of Duplex Steel S32760 Fasteners from Sankalp Alloys Overseas!

[hiltonsteel]

Purpose of choosing ASTM A193 grade strength

Alloy steel bolting materials meeting ASTM A193 Grade B16 criteria are the norm for strain vessels, valves, flanges, and fittings meant to face up to excessive temperatures and pressures. The maximum frequent users of these applications are the petrochemical, oil & gas, and power generation fields.

The chemical make-up of grade B16 bolts is as follows: silicon (0.15-zero.35%), chromium, manganese, phosphorus, sulfur, vanadium, and carbon. Grade B16 bolts are the maximum broadly used sort of alloy metal amongst numerous versions. These bolts' precise composition offers them with exquisite resistance to oxidation and sulfidation in addition to excessive temperature power.

To make certain that Grade B16 bolts are suitable and reliable for use in excessive-temperature and high-strain settings, the ASTM A193 widespread specifies necessities for his or her manufacturing, warmth treatment, and testing.

Could you explain the differences between B16 and B7 bolts?

While B7 and B16 bolts have similar features, what sincerely distinguishes them are their mechanical houses and material composition.

Enterprises coping with accelerated temperatures and pressures regularly make use of bolts with the B7 and B16 classifications. This is specially actual for the petrochemical, power era, and oil and gasoline sectors.

In order to achieve the required hardness and electricity, the medium carbon alloy metallic (4140) used to create B7 bolts and ASTM A193 B8 Bolts is often heated to the best temperature and then tempered. They have minimal yield and tensile strengths of 105 ksi and 125 ksi, respectively.

But the metal used to make B16 bolts is a higher alloy metal with molybdenum, chromium, and vanadium combined collectively. B16 bolts are stronger and extra proof against oxidation and sulfidation in warm conditions way to those additives. Moreover, B16 bolts have minimal yield and tensile strengths which can be corresponding to B7 bolts.

Use B7 bolts for packages desiring high energy and mild temperature resistance; use B16 bolts for packages requiring better energy and stronger resistance to oxidation and sulfidation at immoderate temperatures. B7 bolts are the endorsed desire while some diploma of heat resistance is vital.

Materials that are comparable to ASTM A193 Grade B16 consist of:

DIN EN 10269 1.4980:

European standard addresses bolts composed of a robust and heat-resistant chromium-molybdenum alloy steel.

ISO 898-1 class 10.9:

For bolts composed of alloy steels comparable to ASTM A193 Grade B16, International Standard ISO 898-1 class 10.9 provides mechanical criteria.

BS 1501-640B:

One can use British standard BS 1501-640B to fabricate fastening materials with characteristics comparable to ASTM A193 B8C bolts and ASTM A193 Grade B16. This general applies to high-power steel plates which have gone through heat remedy.

JIS SCM 4: 

This Japanese business well-known specifies what to do with low-alloyed steels which have mechanical characteristics and chemical compositions equivalent to ASTM A193 Grade B16 and ASTM A193 B8M Stud Bolt.

It's vital to hold in mind that at the same time as the chemical composition and mechanical traits of numerous materials may be equal, their manufacturing methods, warmth remedy methods, and trying out requirements may additionally range. These variations may have an impact on the materials' performance for particular applications. It is advisable to study the pertinent material requirements and get advice from an experienced engineer or metallurgist when selecting bolting materials for applications involving high temperatures and pressures.