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Brian Fasteners, Houston, USA, is a reliable producer and exporter of premium-quality ASTM A193 B8 CL2 stud bolts. Renowned for their accuracy of design and long service life, these stud bolts adhere to high industry standards to provide consistent performance in demanding conditions. With the emphasis on quality and customer satisfaction, Brian Fasteners provides products that surpass strength, resistance to corrosion, and lifespan, meeting varied industrial applications nationwide.
ASTM A193 B8 CL2 stud bolts consist mostly of stainless steel grade 304 with an increased chromium and nickel content, which enhances corrosion resistance. The bolts have good mechanical properties with a minimum tensile strength of 75 ksi and good ductility, which makes them suitable for high-temperature and high-pressure service applications. Their chemical composition provides toughness against oxidation and severe environmental conditions, which retains structural integrity over time.
| 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% |
| 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 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 CL2 StudBolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
|
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
ASTM A193 B8 CL2 stud bolts are extensively utilized in industries like oil and gas, petrochemical, power generation, and chemical processing. They are best suited for high-temperature and corrosive conditions and are frequently utilized in pressure vessels, flanges, valves, and piping systems. The resistance of the bolts to oxidation and corrosion renders them apt for mission-critical applications where reliability and safety are essential. The bolts provide secure fastening and long service life in hazardous situations.
We ensure that the ASTM A193 B8 CL2 Stud Bolts are installed with the utmost care. Each bolt is thoroughly inspected and sealed with durable, waterproof material to prevent damage during transport. Our packaging includes clear labeling to make it easy to find and follow. Whether you need a bulk shipment or a customized packaging solution, we guarantee that your bolts will arrive in perfect condition, ready for immediate use in your application of the importance of the.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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