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Amin Fasteners, based in Safat, Kuwait, has built a solid reputation as a reliable manufacturer and supplier of top-notch industrial fasteners. Their product lineup features ASTM A193 B8 CL2 Bolts, which are specifically designed to excel in high-temperature and corrosive settings. These bolts are crafted with precision to ensure dependable joint integrity and long-lasting durability, making them perfect for critical industrial applications. Amin Fasteners places a strong emphasis on rigorous quality control, prompt delivery, and customer satisfaction, which has made them a go-to choice for engineers and industries in need of trustworthy fastening solutions. Each ASTM A193 B8 CL2 Bolt is engineered to meet international standards and consistently perform under tough conditions.
These bolts are made from austenitic stainless steel, boasting an enhanced chemical composition that typically includes high levels of chromium and nickel for outstanding corrosion resistance. They undergo solution annealing to achieve the best possible toughness, ductility, and mechanical strength. While they offer moderate tensile strength, they excel in resisting oxidation, chemical exposure, and high temperatures. This unique blend of strength and corrosion resistance guarantees durability and reliable performance in industrial settings where mechanical integrity and chemical resistance are paramount.
| 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 used in high-temperature and corrosive environments, such as in the oil and gas, petrochemical, and power generation industries. Their high strength and resistance to oxidation make them suitable for securing critical components in machinery, pressure vessels, and piping systems. Common applications include flanged connections, reactor vessels, and steam pipelines. These bolts ensure reliable performance and durability under extreme conditions, making them essential for safety and efficiency in demanding industrial settings.
ASTM A193 B8 CL2 Bolts find their place in various industries, including chemical processing, petrochemical plants, oil and gas, power generation, and marine applications. They are particularly well-suited for fastening flanges, pressure vessels, pipelines, and other essential equipment that operates in corrosive or high-temperature environments. With their exceptional mechanical strength, durability, and resistance to heat and chemical attacks, these bolts are crucial for creating secure, long-lasting, and dependable bolted connections, ensuring safety and operational efficiency in demanding industrial scenarios.
Amin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Safat, Kuwait, with over 8 years of experience serving global industries.
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