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Amin Fasteners stands out as a reliable manufacturer and supplier based in Safat, Kuwait, specializing in top-notch ASTM A193 B8M Bolts that excel in both corrosive and high-temperature settings. With a commitment to precision, durability, and adherence to international standards, Amin Fasteners provides fastening solutions tailored for critical industrial needs. Their ASTM A193 B8M Bolts find extensive application in industries like petrochemical, oil and gas, marine, desalination, and chemical processing. Thanks to advanced manufacturing methods, rigorous testing, and prompt delivery, the company has built a solid reputation for offering trustworthy and long-lasting fastening products.
Crafted from austenitic stainless steel Grade 316, ASTM A193 B8M Bolts feature a blend of chromium, nickel, and molybdenum, which together deliver outstanding corrosion resistance, particularly in environments rich in chlorides and other aggressive chemicals. This unique composition boosts their pitting resistance, durability, and overall performance over time. On the mechanical side, these bolts offer impressive tensile strength, excellent ductility, and reliable operation even at elevated temperatures. Their precise threading and robust construction guarantee secure fastening in critical systems, making them ideal for applications that require dependable structural integrity and superior corrosion protection.
| 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 B8M 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 B8M bolts are used in a variety of complex applications where high strength and resistance to extreme conditions are critical. Commonly found in the petrochemical, aerospace and electrical industries, these bolts are ideal for hot environments and high pressure. They are employed in gas and oil pipelines, industrial equipment and medical devices. Their corrosion resistance and durability make them suitable for critical assemblies that require reliable and durable packaging.
In industries where corrosion-resistant and high-strength fasteners are essential, ASTM A193 B8M Bolts are a go-to choice, especially in challenging operating conditions. They are frequently utilized in marine settings, offshore platforms, chemical processing facilities, desalination plants, oil and gas refineries, and power generation units. These bolts also play a vital role in heat exchangers, pipelines, pressure vessels, pumps, valves, flanges, and structural assemblies that face exposure to seawater, chlorides, and acidic environments. Their remarkable mechanical properties and resistance to corrosion make them indispensable in these demanding applications.
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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