It provides high tensile strength, corrosion resistance, and long-lasting performance in extreme environments.
Hardness testing to ISO 6508-1
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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.
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.
These B8M Class 2 stainless steel hex bolts offer a range of benefits that make them ideal for industrial applications:
These features make A193 Gr B8M CL 2 Hex Bolt and Nut reliable for critical and high-stress industrial applications.
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.
To preserve the high standards of our selection of industrial Hex Bolt, we have always adhered to a systematic quality management process.
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.
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% |
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 |
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:
We deliver ASTM A193 Grade B8M Class 2 Hex Bolts built to international standards, ensuring reliable and long-lasting performance.
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.
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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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.
