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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. One of their standout products is the ASTM A193 B8 CL3 Stud Bolt, designed to excel in high-temperature, high-pressure, and corrosive settings. These stud bolts are crafted with precision to guarantee secure joint integrity and long-lasting durability, especially in critical applications. Amin Fasteners places a strong emphasis on quality control, timely deliveries, and customer satisfaction, making them a go-to choice for industries that need dependable fastening solutions. Each ASTM A193 B8 CL3 Stud Bolt is engineered to meet international standards and consistently perform under tough conditions.
Made from austenitic stainless steel with carefully balanced levels of chromium and nickel, ASTM A193 B8 CL3 Stud Bolts offer outstanding corrosion resistance and toughness. They undergo solution annealing to boost their mechanical strength, ductility, and fatigue resistance, making them perfect for high-pressure and high-temperature scenarios. These stud bolts provide moderate tensile strength while excelling in resisting oxidation, chemical exposure, and harsh industrial environments. Their unique blend of strength, durability, and corrosion resistance ensures reliable performance and the long-term integrity of bolted connections.
| 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 |
Material | Specification | Standards | Size | Length |
ASTM A193 B8 CL3 StudBolt | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
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ASTM A193 B8 CL3 stud bolts are commonly used in high-temperature and high-pressure environments, such as in petrochemical, oil and gas, and power generation industries. They are ideal for critical applications requiring robust performance, including flanged joints, reactors, and pressure vessels. Their superior strength and corrosion resistance make them suitable for equipment exposed to extreme conditions, ensuring reliable and secure connections in demanding industrial settings.
You’ll find ASTM A193 B8 CL3 Stud Bolts in various sectors, including chemical processing, petrochemical plants, oil and gas industries, power generation, and marine applications. They’re perfect for securing flanges, pressure vessels, pipelines, and other essential equipment where joint strength and corrosion resistance are crucial. These stud bolts are also utilized in refineries, boilers, and high-stress industrial assemblies, delivering durable and trustworthy bolted connections. With their impressive mechanical properties and resistance to heat and chemicals, they are vital for safe, long-lasting, and efficient operations in demanding industrial settings.
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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