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Amin Fasteners stands out as a reliable manufacturer and supplier of top-notch ASTM A193 B7 Nuts in Safat, Kuwait, providing sturdy and dependable fastening solutions for tough industrial tasks. With a reputation for precision engineering and rigorous quality checks, the company guarantees that each nut delivers outstanding strength, mechanical stability, and long-lasting performance. Their ASTM A193 B7 Nuts are crafted to endure high-pressure, high-temperature, and mechanically demanding environments, making them perfect for essential industrial operations. Amin Fasteners is committed to bolstering Kuwait’s industries by offering robust nuts that promote safety, stability, and efficient performance in both structural and mechanical applications.
ASTM A193 B7 Nuts are crafted from high-strength alloy steel, usually medium-carbon steel that’s been quenched and tempered, with added chromium and molybdenum to boost mechanical performance. These nuts showcase impressive tensile and yield strength, exceptional hardness, and high fatigue resistance. Their unique metallurgical makeup ensures stability even under high temperatures and pressure, delivering reliable performance in demanding mechanical applications. ASTM A193 B7 Nuts are perfect for high-stress fastening systems, providing dependable load-bearing capacity and resistance to wear, vibration, and deformation. Their robust characteristics make them ideal for critical bolted connections in heavy machinery, industrial equipment, and structural frameworks.
Material | Specification | Standards | Size | Length |
ASTM A193 B7 Nuts | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| 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 |
| 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% |
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 B7 Nuts are widely used in high-pressure and high-temperature applications, including petrochemical, oil and gas, and power generation industries. They are essential for securing critical components in equipment such as flanges, valves, and turbines. These nuts are ideal for use in environments requiring enhanced strength and resistance to extreme conditions. Their reliability makes them suitable for heavy-duty applications, ensuring safe and stable connections in demanding industrial settings.
ASTM A193 B7 Nuts find extensive use in industries that demand high-strength, durable, and trustworthy fastening solutions. They are frequently utilized in power plants, petrochemical facilities, oil and gas refineries, pressure vessels, turbines, and heavy machinery. These nuts are perfect for securing bolts in flanges, valves, pumps, and structural assemblies that face high loads, vibrations, and elevated temperatures.
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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