Home > ASTM A193 B8C Stud Bolts
Majid Fasteners is a trusted manufacturer and supplier of high-quality ASTM A193 B8C stud bolts in Dubai, UAE, serving diverse industrial sectors with precision-engineered fastening solutions. Known for superior craftsmanship, reliable performance, and strict adherence to international standards, Majid Fasteners delivers products designed to withstand demanding environments and critical applications. With a commitment to excellence, timely delivery, and customer-focused service, the company continues to support industries such as oil and gas, petrochemical, construction, and power generation. Majid Fasteners stands out for its technical expertise and dedication to providing durable, corrosion-resistant fastening solutions tailored to project requirements.
ASTM A193 B8C stud bolts are manufactured from austenitic stainless steel, typically Type 347, stabilized with columbium for enhanced corrosion and heat resistance. Their chemical composition includes chromium, nickel, carbon, manganese, silicon, and niobium, ensuring excellent durability in high-temperature environments. These stud bolts offer strong mechanical properties such as high tensile strength, good yield strength, and superior resistance to stress corrosion cracking. Designed for demanding industrial applications, they perform reliably in petrochemical, power generation, and high-pressure systems.
Material | Specification | Standards | Size | Length |
ASTM A193 B8C Stud Bolt | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| Element | B7 | B8 | B8M |
| 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% |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 515 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 205 |
| Elongation in 4D (El) | 30 |
| Reduction | 50 |
| Hardness – (BHN) | 0 |
ASTM A193 B8C stud bolts are widely used in industries requiring high strength, corrosion resistance, and reliability under elevated temperatures. They are commonly applied in petrochemical plants, oil and gas facilities, power generation units, and refineries, particularly in flanged connections, pressure vessels, heat exchangers, and piping systems. Their excellent resistance to oxidation and stress corrosion cracking makes them ideal for high-pressure and high-temperature environments. These stud bolts are also used in chemical processing equipment, marine applications, and other critical installations where long-term durability and performance are essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
