Vision Alloys is a trusted manufacturer, stockist, and supplier of ASTM A193 Grade B8M Class 2 Hex Bolts based in Mumbai, India. We serves a strong global network, supplying premium stainless steel fasteners to industries like petrochemical, marine, oil & gas, construction, power generation, and chemical processing. These grade B8M class 2 bolts meet ASTM and ASME standards, ensuring high tensile strength, precise dimensions, and superior corrosion resistance. Made from strain-hardened stainless steel, they are ideal for high-pressure and high-temperature environments where durability is essential. The 316 stainless steel base provides resistance to pitting, oxidation, and chemical attack, even in harsh conditions.


Each SS B8M Class 2 Hex Bolt undergoes strict inspection and quality checks to meet international standards. We use advanced machining and testing facilities to ensure accuracy, performance, and consistency. With reliable quality, precision engineering, and competitive pricing, we stand out as a dependable source for ASTM A193 Grade B8M Class 2 Hex Bolts, serving diverse global industries with confidence and trust.


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Stainless Steel A193 Grade B8M Cl 2 Hex Bolts
  • Standards

    ASTM

  • Designation

    A193 B8M: A193 B8: Class 2 Stainless Steel, AISI 304

  • Dimensions

    ASME B18.2.1, B18.3

  • SHARE

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What are ASTM A193 Gr B8M Class 2 Hex Bolts?

ASTM A193 Grade B8M Class 2 Hex Bolts are strain-hardened stainless steel fasteners designed for secure connections under high pressure and temperature. They are made from AISI 316 stainless steel containing molybdenum, which improves corrosion, pitting, and oxidation resistance in aggressive environments.


These A193 Gr B8M Class 2 Bolts comply with ASTM A193 / ASME SA193 standards, ensuring mechanical strength, hardness, and dimensional precision. we manufactures and supplies these bolts from Mumbai, India, offering dependable quality and timely global delivery.


Key features include high tensile strength, wear resistance, and toughness under demanding conditions. They come in various sizes, thread types (UNC, UNF, Metric), and finishes such as plain, passivated, or polished to match different industrial needs.


Common applications include petrochemical plants, marine systems, oil & gas projects, construction, and power generation setups—anywhere that requires strong and reliable fasteners.

For clients looking for stainless steel B8M Class 2 hex bolt solutions that combine durability and precision, we offer dependable products at competitive prices.


Benefits of A193 Gr B8M CL 2 Hex Bolts

These B8M Class 2 stainless steel hex bolts offer a range of benefits that make them ideal for industrial applications:

  • Corrosion Resistance:
    Made with 316 stainless steel and molybdenum, these bolts resist pitting, crevice corrosion, and rust even in marine and chloride-rich conditions.
  • High Strength:
    The strain-hardened B8M Class 2 material ensures superior tensile and yield strength, supporting heavy loads and high pressures.
  • Temperature Resistance:
    It maintains structural stability and strength at both elevated and cryogenic temperatures.
  • Chemical Resistance:
    Our bolts resist acids, alkalis, and solvents, making them suitable for chemical and petrochemical plants.
  • Wear & Galling Resistance:
    The austenitic structure minimizes seizing and thread damage during tightening and service.
  • Dimensional Accuracy:
    Precision machining guarantees tight tolerances, smooth threads, and perfect fit.
  • Aesthetic & Surface Finish:
    Passivated or polished surfaces enhance appearance, reduce contamination, and simplify cleaning.
  • Long Service Life:
    Their strength, corrosion resistance, and stability result in extended performance with minimal maintenance.

These features make A193 Gr B8M CL 2 Hex Bolt and Nut reliable for critical and high-stress industrial applications.


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fevicon-logoSpecifications of A194 B8M Class 2 Hex Bolts

ASTM A193 Grade B8M Class 2 Hex Bolts are manufactured according to ASTM and ASME standards, offering precision, strength, and resistance to extreme environments. They are available in multiple thread forms, lengths, and coatings to suit specific application needs.


Material ASTM A193 B8M Hex Bolt
Specification IS, BS, ASTM
Standards DIN, ISO, JIS, GB, IS, BS, ASTM
Size M02 to M160
Length 3 mm to 200 mm

Stainless Steel A193 Grade B8 Hex Bolt embodies the pinnacle of fastening solutions designed for those who refuse to compromise on quality. Vision Alloys, as a front-runner in the manufacturing and supply of superior fasteners, invites you to experience the difference that precision engineering and quality materials make. Choose our SS A193 Grade B8 Hex Bolt for your next project and secure investments with the best fastening technology. Let's connect and forge a partnership built on unparalleled quality and reliability.


Quality Assurance

To preserve the high standards of our selection of industrial Hex Bolt, we have always adhered to a systematic quality management process.

Team OF Experts

Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of Hex Bolt.

fevicon-logo B8M Class 2 Hex Bolt’s Chemical Composition (%)

ASTM A193 Grade B8M Class 2 Hex Bolts are made from AISI 316 stainless steel with the following composition:


Element B7 B8M B8MM
Carbon 0.37 - 0.49% 0.08% max 0.08% max
Manganese 0.65 - 1.10% 2.00% max 2.00% max
Phosphorus, max 0.035% 0.045% 0.045%
Sulfur, max 0.040% 0.030% 0.030%
Silicon 0.15 - 0.35% 1.00% max 1.00% max
Chromium 0.75 - 1.20% 18.0 - 20.0% 16.0 - 18.0%
Nickel 8.0 - 11.0% 10.0 - 14.0%
Molybdenum 0.15 - 0.25% 2.00 - 3.00%

fevicon-logo A194 B8M Cl 2 Hex Bolts Mechanical Properties

ASTM A193 Grade B8M Class 2 Hex Bolts exhibit outstanding mechanical properties that make them suitable for high-stress and high-temperature applications. Our bolts are strain-hardened to deliver superior performance in demanding industrial environments.


Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min
B7 Up to 2-1/2 125 105 16 50
2-5/8 - 4 115 95 16 50
4-1/8 - 7 100 75 18 50
B8M Class 1 All 75 30 30 50
B8MM Class 1 All 75 30 30 50
B8M Class 2 Up to 3/4 125 100 12 35
7/8 - 1 115 80 15 35
1-1/8 - 1-1/4 105 65 20 35
1-3/8 - 1-1/2 100 50 28 45
B8MM Class 2 Up to 3/4 110 95 15 45
7/8 - 1 100 80 20 45
1-1/8 - 1-1/4 95 65 25 45
1-3/8 - 1-1/2 90 50 30 45

fevicon-logo Applications & Industries Served

ASTM A193 Grade B8 Class 2 Hex Bolts are strain-hardened stainless steel fasteners designed for high-pressure and high-temperature use. Its corrosion resistance and mechanical strength making it suitable for various industries:

ASTM A193 Grade B8M Class 2 Hex Bolts are corrosion-resistant, high-strength fasteners built for high-pressure and temperature environments. They are used in the following industries:

  • Oil & Gas Industry: Used in refineries, pipelines, and offshore rigs, offering strength and chloride resistance.
  • Petrochemical & Chemical Plants: Ideal for reactors, heat exchangers, and process vessels exposed to corrosive chemicals.
  • Power Generation: Applied in turbines, boilers, and condensers for reliable performance under extreme heat.
  • Marine & Offshore Engineering: Suitable for shipbuilding and seawater systems due to excellent saltwater resistance.
  • Construction & Infrastructure: Used in bridges, steel frames, and heavy machinery for secure and vibration-resistant joints.
  • Aerospace & Defense: Chosen for components that face temperature shifts and dynamic stress.
  • Automotive & Heavy Engineering: Used in engine assemblies and suspension systems for strength and longevity.
  • Refineries & Industrial Plants: Common in flanged joints and piping systems requiring corrosion-resistant fastening.

We deliver ASTM A193 Grade B8M Class 2 Hex Bolts built to international standards, ensuring reliable and long-lasting performance.

fevicon-logo Why Choose Vision Alloys for A194 Gr B8M Class 2 Hex Bolts?

Vision Alloys is a trusted manufacturer, stockist, and exporter of ASTM A193 Grade B8M Class 2 Hex Bolts, delivering high-quality stainless steel fasteners to industries worldwide. With years of expertise, we specializes in producing corrosion-resistant bolts designed for demanding applications.


Its modern CNC machining units, precision threading tools, and polishing systems ensure tight tolerances and a perfect surface finish. Each product undergoes thorough in-house testing to guarantee durability and accuracy.


We follow strict ASTM A193 and ASME B18.2.1 standards and is ISO certified for consistent quality. Products are available in multiple sizes, grades, thread types, and finishes like plain, passivated, or polished to suit diverse needs.


We also offers custom manufacturing, packaging, and technical support, ensuring client satisfaction. Its wide distribution and export network allow timely global delivery. Large stock availability, fair pricing, and dependable quality make it a preferred choice in the fastener industry.

Every bolt reflects our focus on quality, reliability, and long-term partnerships built on trust and service excellence.

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+91 22 6659 5948


fevicon-logo Types of Stainless Steel ASTM A193 Grade B8M Class 2 Hex Bolts

Hex Bolt

SS A193 Hex Bolt

Heavy Hex Bolt

SS Grade B8M Class 2 Heavy Hex Bolt

Hex Tap Bolt

SS A193 Grade B8M Class 2 Hex Tap Bolt

Hex Flange Bolt

SS A193 Gr B8M Class 2 Hex Flange Bolt

Half Threaded Hex Bolt

SS ASTM A193 Half Threaded Hex Bolt

Fully Threaded Hex Bolt

Grade B8M Class 2 SS Fully Threaded Hex Bolt

Hex Machine Bolt

SS A193 Gr B8M Class 2 Hex Machine Bolt

Hex Shoulder Bolt

SS Grade B8M Class 2 Hex Shoulder Bolt


Hex Bolt Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools


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fevicon-logoFaq

It provides high tensile strength, corrosion resistance, and long-lasting performance in extreme environments.

It is available in plain, passivated, and polished finishes for enhanced protection and appearance.

Yes. Their strain-hardened 316 stainless steel structure allows safe use at both high and cryogenic temperatures.


fevicon-logo Stainless Steel A193 Gr B8M Class 2 Hex Bolts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
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Nut Bolt