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Malik Fasteners, located in Manama, Bahrain, has earned a solid reputation as a reliable manufacturer and supplier of top-notch ASTM A193 B7 Nuts. These nuts are crafted for exceptional strength, durability, and reliability, making them perfect for tough industrial, oil and gas, and high-temperature settings. Committed to meeting rigorous international quality standards, Malik Fasteners ensures that their products provide secure and long-lasting bolted connections. ASTM A193 B7 Nuts are commonly paired with high-strength bolts and studs, guaranteeing safe and efficient fastening in critical applications. With a strong emphasis on precision engineering and customer satisfaction, Malik Fasteners delivers nuts that promise operational reliability, mechanical integrity, and enduring performance.
ASTM A193 B7 Nuts are made from alloy steel and undergo heat treatment to achieve impressive tensile strength and durability. They usually boast a tensile strength of 120 ksi (827 MPa) and demonstrate remarkable hardness, toughness, and wear resistance. These nuts are built to endure high-stress and elevated temperature conditions, maintaining their mechanical integrity even under heavy loads. The blend of strength and ductility ensures secure and lasting fastening. ASTM A193 B7 Nuts are specifically designed to work seamlessly with high-strength bolts and studs in industrial, oil and gas, and power generation applications that demand reliable and robust performance.
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 find extensive use in industries that require strong and durable fasteners. They are particularly suited for oil and gas pipelines, pressure vessels, boilers, chemical plants, petrochemical sectors, and power generation facilities. These nuts create secure and lasting connections with high-strength bolts and studs in high-stress, high-temperature, and challenging environments. Their outstanding mechanical properties and reliability ensure safe and efficient fastening in critical industrial applications.
Malik Fasteners ensures the secure packaging of ASTM A193 B7 Nuts for optimal protection and easy handling. Each nut is individually packed to prevent damage during transit and storage, with clear labeling for quick identification. Our packaging is designed to maintain the integrity of the nuts and facilitate efficient inventory management. Trust Malik Fasteners for meticulously packaged components, ensuring that your ASTM A193 B7 Nuts arrive in perfect condition, ready for reliable performance in your projects.
Malik Fasteners is a leading manufacturer and supplier of high-quality fasteners in Manama, Bahrain, with over 8 years of experience serving global industries.
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