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MUKAU FASTENERS, a well-respected manufacturer and supplier located in Kinshasa, Congo, focuses on crafting high-performance ASTM A193 B8 CL2 Bolts that are built to last in even the toughest conditions. These bolts are made from top-notch austenitic stainless steel and adhere to the strict ASTM standards. Thanks to their remarkable resistance to corrosion, heat, and oxidation, MUKAU FASTENERS’ ASTM A193 B8 CL2 Bolts are perfect for high-pressure and high-temperature settings in industries like oil and gas, petrochemical, marine, and power generation, providing reliable and durable fastening solutions.
ASTM A193 B8 CL2 Bolts are crafted from AISI 304 stainless steel, which contains about 18% chromium and 8% nickel, giving them outstanding resistance to corrosion and oxidation. These bolts go through a process of solution annealing followed by strain hardening to boost their mechanical strength and toughness. They boast a minimum tensile strength of around 760 MPa and a yield strength of 515 MPa, along with excellent ductility and hardness. This unique composition and processing ensure that these bolts perform exceptionally well under high stress, temperature, and corrosive environments, guaranteeing strength and stability in demanding 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 are widely utilized in situations that demand high strength and corrosion resistance, such as chemical processing plants, oil refineries, heat exchangers, and pressure vessels. Their impressive resistance to saltwater and atmospheric corrosion makes them ideal for marine and offshore settings. Additionally, these bolts find their place in power generation, construction, and industrial machinery, where durability under high temperature and pressure is essential. ASTM A193 B8 CL2 Bolts deliver secure, long-lasting fastening performance in both structural and high-stress engineering 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.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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