Home > ASTM A193 B8 CL5 Bolts
Request For Our Latest Prices On ASTM A193 B8 CL5 Bolts in Kuala lumpur, Malaysia!
Mira Fasteners, located in Kuala Lumpur, Malaysia, is a reliable manufacturer and supplier of top-quality ASTM A193 B8 Class 5 Bolts, specifically crafted for high-pressure and high-temperature settings. These bolts are made from strain-hardened AISI 304 stainless steel, which provides outstanding mechanical strength, resistance to oxidation, and durability even in extreme conditions. Commonly found in petrochemical plants, power generation facilities, and marine equipment, Mira Fasteners guarantees that each bolt adheres to stringent ASTM standards and customer requirements. With meticulous engineering and rigorous quality control, B8 CL5 bolts offer remarkable reliability and longevity in harsh, corrosive, and high-stress industrial environments.
ASTM A193 B8 Class 5 Bolts are crafted from strain-hardened AISI 304 stainless steel, featuring around 18–20% Chromium, 8–11% Nickel, and low carbon content. This advanced strain hardening process boosts the tensile strength to at least 860 MPa and the yield strength to 690 MPa, all while ensuring good ductility and corrosion resistance. These bolts also show impressive resistance to intergranular corrosion, oxidation, and scaling at high temperatures, making them perfect for demanding thermal and mechanical service conditions.
| Element | B8 CL5 | B8 CL5 | B8M CL5 |
| 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 |
| B8 CL5 | 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 CL5 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M CL5 Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL5 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 CL5 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 B8 CL5 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 B8 CL5 Bolts are perfect for critical bolting tasks in sectors like chemical processing, refining, power generation, and marine engineering. Thanks to their high strength and exceptional resistance to corrosion and heat, they are frequently used in pressure vessels, flanged joints, valves, heat exchangers, and steam lines. These bolts shine in situations where high mechanical strength is crucial, especially with prolonged exposure to moisture, steam, or chemical agents. Mira Fasteners offers B8 CL5 bolts in a variety of sizes, threads, and finishes to meet specific industrial needs.
At Mira Fasteners, we ensure that ASTM A193 B8 CL5 bolts are expertly packaged to preserve their quality and prevent damage during transit. Each bolt is carefully inspected and coated with anti-corrosion treatments before being packed in robust, labeled boxes or crates. Our packaging is designed to meet specific client requirements and safeguard the bolts from environmental factors. With attention to detail and precision, we guarantee that your bolts arrive in perfect condition, ready for immediate use.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
©2024 Mira Fasteners All Rights Reserved.