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MUKAU FASTENERS, a reliable manufacturer and supplier located in Kinshasa, Congo, specializes in top-notch ASTM A193 B8 CL2 Fasteners that are perfect for high-temperature and high-pressure situations. These fasteners are crafted using cutting-edge techniques and high-quality stainless steel, ensuring they are durable and resistant to corrosion. Renowned for their impressive tensile strength and dependability, MUKAU FASTENERS’ ASTM A193 B8 CL2 Fasteners are the go-to choice for refineries, power plants, and chemical industries where safety and performance are critical, especially in extreme operating conditions.
ASTM A193 B8 CL2 Fasteners are constructed from austenitic stainless steel, usually Type 304, which includes chromium (18–20%) and nickel (8–10.5%) to provide outstanding oxidation and corrosion resistance. These fasteners undergo a strain-hardening process, enhancing their tensile and yield strength compared to Class 1. With excellent mechanical properties like high creep resistance, remarkable ductility, and stability at elevated temperatures, ASTM A193 B8 CL2 Fasteners are perfectly suited for challenging industrial environments.
| Element | B7 | B8 CL2 | B8 CL2M |
| 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 CL2 Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL2M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL2 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 | |
| B8 CL2M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 CL2 Fasteners
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
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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.
You’ll find ASTM A193 B8 CL2 Fasteners in a variety of settings, including petrochemical plants, power generation facilities, marine environments, and heat exchangers. Their remarkable resistance to corrosion and oxidation makes them ideal for boilers, steam lines, and high-pressure piping systems. In the oil and gas industry, these fasteners ensure reliable joint integrity even under cyclic and thermal stresses. They’re also a popular choice in construction, food processing, and pharmaceutical equipment due to their hygienic surface and ability to handle both high pressure and extreme temperatures.
At Mukau Fasteners, the ASTM A193 B8 CL2 fasteners are carefully packaged to ensure they reach you in pristine condition. Each binder is carefully packaged in durable, corrosion-resistant packaging to prevent damage during transport. Clear labeling on each product ensures easy identification and follow-up. We offer customizable packaging to meet your specific needs, ensuring convenience and efficiency in handling and storage. Trust Mukau Fasteners provide safe, reliable delivery of critical fastening solutions.
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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