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Amin Fasteners, a leading manufacturer and supplier in Safat, Kuwait, offers high-quality ASTM A193 B8 CL3 fasteners. These fasteners are made from stainless steel, ensuring superior corrosion resistance and high strength, making them ideal for high-temperature applications. Our ASTM A193 B8 CL3 fasteners meet stringent industry standards, providing reliable performance and durability in various industrial settings. Trust Amin Fasteners for top-notch products and exceptional service in the Kuwait.
ASTM A193 B8 CL3 Fasteners are crafted from austenitic stainless steel, usually AISI 304, featuring carefully controlled levels of chromium, nickel, and carbon to boost corrosion resistance and mechanical properties. These fasteners are known for their impressive tensile and yield strength, moderate hardness, and outstanding resistance to oxidation and stress corrosion cracking. Thanks to their austenitic structure, they offer excellent toughness, dimensional stability, and reliable performance even under high temperatures and pressure. ASTM A193 B8 CL3 Fasteners are trusted for industrial applications where exposure to chemicals, thermal cycling, and mechanical loads is common, ensuring safety and durability over the long haul.
| Element | B7 | B8 CL3 | B8 CL3M |
| 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 CL3 Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL3M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL3 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 | |
| B8 CL2M Class 3 | Up to 3/4 | 110 | 95 | 15 | 45 |
Material | Specification | Standards | Size | Length |
ASTM A193 B8 CL3 Fasteners | 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 fasteners are widely used in high-temperature and high-pressure environments, making them ideal for the petrochemical, aerospace, and power generation industries. They are commonly found in gas turbines, exhaust systems, and high-stress equipment where reliability and strength are crucial. Their excellent corrosion resistance also makes them suitable for harsh chemical environments and offshore applications. These fasteners ensure secure, long-lasting connections in critical and demanding applications.
In various industries that demand corrosion-resistant and high-performance fastening solutions, ASTM A193 B8 CL3 Fasteners are a go-to choice. They shine in settings like chemical processing plants, refineries, petrochemical units, power generation facilities, and other high-temperature environments. These fasteners are frequently utilized in flanges, pressure vessels, pumps, valves, heat exchangers, and piping systems that come into contact with corrosive media, ensuring reliable performance in challenging conditions.
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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