Home > ASTM A193 B8T Stud Bolts
Majid Fasteners, based in Dubai, UAE, is a trusted manufacturer and supplier specializing in high-quality ASTM A193 B8T stud bolts. Renowned for precision engineering and durable construction, the company caters to diverse industries, including oil & gas, construction, and infrastructure. Their stud bolts are crafted from premium stainless steel, ensuring excellent corrosion resistance, strength, and reliability in demanding environments. With a commitment to quality, timely delivery, and competitive pricing, Majid Fasteners has established itself as a reliable partner for businesses seeking superior fasteners in the UAE. Their solutions combine performance, longevity, and compliance with international standards.
ASTM A193 B8T stud bolts are manufactured from austenitic stainless steel (typically AISI 304 or 304L), containing 18–20% chromium and 8–10% nickel, providing excellent corrosion resistance. These bolts feature high tensile strength, usually around 75 ksi (515 MPa), and a yield strength of approximately 30 ksi (205 MPa). They offer superior resistance to oxidation and heat, making them ideal for high-temperature and high-pressure applications. B8T stud bolts are durable, reliable, and conform to ASTM A193 standards, ensuring safety and longevity in critical industrial operations.
Material | Specification | Standards | Size | Length |
ASTM A193 B8T Stud Bolts
| 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% |
| 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 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 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 | |
| B8M 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 B8T stud bolts are widely used in industries requiring high strength, corrosion resistance, and durability under extreme conditions. They are essential in oil and gas, petrochemical, chemical, and power generation sectors, especially for high-temperature and high-pressure environments. These stud bolts are commonly employed in pressure vessels, boilers, flanges, pipe connections, and refineries. Their excellent resistance to oxidation and corrosion makes them ideal for both marine and industrial applications. Engineers rely on B8T stud bolts to ensure secure, long-lasting fastening solutions where safety, reliability, and compliance with ASTM standards are critical.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
