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Murad Fasteners has established itself as a reliable manufacturer and supplier in Doha, Qatar, specializing in high-quality ASTM A193 B8 CL2 Stud Bolts that are built for dependable performance in various industrial settings. With state-of-the-art manufacturing facilities and rigorous quality control measures, Murad Fasteners ensures that their stud bolts feature precise threading, outstanding dimensional accuracy, and consistent mechanical properties. These bolts are crafted to meet international standards, making them suitable for use in moderately corrosive and high-temperature environments. Catering to sectors like oil and gas, petrochemical, power generation, and other industrial fields, Murad Fasteners offers tailored solutions, competitive pricing, and prompt delivery to meet critical fastening needs.
The ASTM A193 B8 CL2 Stud Bolts are made from austenitic stainless steel, comparable to Type 304, and are solution annealed and lightly cold worked to boost their strength. This alloy, rich in chromium and nickel, provides excellent resistance to corrosion and oxidation. Mechanically, Class 2 stud bolts deliver superior tensile and yield strength compared to standard B8 grades, while also offering good toughness and ductility. They maintain their stability under sustained loads and high temperatures, ensuring reliable performance even in moderately challenging service conditions.
| 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.
These ASTM A193 B8 CL2 Stud Bolts are commonly utilized in applications that require moderate strength and corrosion resistance. You’ll often find them in flanged joints, pressure vessels, heat exchangers, boilers, valves, and piping systems across the oil and gas, petrochemical, and power generation industries. Their design makes them well-suited for assemblies that face moderate thermal stress, pressure, and corrosive environments. With their durability, mechanical reliability, and extended service life, these stud bolts are perfect for critical industrial fastening applications.
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.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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