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Murad Fasteners, located in Doha, Qatar, stands out as a top-notch manufacturer and supplier of premium industrial fasteners, including the renowned ASTM A193 B8 CL2 Bolts. With a reputation for precision engineering and durability, they meet international standards and cater to vital sectors like oil and gas, petrochemicals, power generation, and construction. These bolts are expertly crafted to excel in high-temperature and high-pressure settings. Thanks to their advanced manufacturing techniques, strict quality control, and prompt delivery, Murad Fasteners guarantees that each ASTM A193 B8 CL2 Bolt delivers exceptional strength, corrosion resistance, and reliability, making them indispensable in demanding industrial environments.
ASTM A193 B8 CL2 Bolts are crafted from austenitic stainless steel, usually Type 304, with a controlled carbon content that enhances corrosion resistance. The CL2 (Class 2) label signifies improved mechanical properties achieved through careful cold working or heat treatment. These bolts boast impressive tensile strength, typically around 75 ksi (515 MPa), along with excellent elongation and toughness. They are designed to resist oxidation, pitting, and chemical attacks, ensuring stability even in high-temperature and high-pressure situations. The blend of strength, ductility, and corrosion resistance makes ASTM A193 B8 CL2 Bolts perfect for challenging industrial applications.
| 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 | |
| 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 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 CL2 Hex Bolt
|
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 Bolts find their place in various industries where strength, reliability, and corrosion resistance are paramount. They’re frequently used in petrochemical plants, chemical processing facilities, oil and gas refineries, power plants, and pressure vessel assemblies. These bolts are ideal for securing flanges, valves, heat exchangers, piping systems, and other high-pressure equipment. The CL2 grade enhances mechanical performance, ensuring durability in elevated temperatures and corrosive environments.
We ensure that our ASTM A193 B8 CL2 bolts are packaged with the utmost care to maintain their quality and integrity. Each bolt is individually inspected and then securely packed in durable, corrosion-resistant containers. Our packaging is designed to protect the bolts during transit and storage, preventing any damage or contamination. Whether you need small or large quantities, we offer flexible packaging solutions to meet your specific requirements, ensuring your bolts arrive in perfect condition.
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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