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With an unwavering dedication to excellence, our company is proud to present a comprehensive selection of ASTM A193 B8 CL2 Fasteners carefully sourced from respected suppliers celebrated for their craftsmanship in manufacturing high-quality stainless steel components. These fasteners function as essential elements throughout a wide range of applications, providing an extensive assortment of sizes, types, and specifications precisely customized to satisfy the demanding needs of our valued customers. Broadly used in industries such as aerospace, chemical processing, and marine environments, our ASTM A193 B8 CL2 Fasteners are praised for their exceptional corrosion resistance and lasting durability. Crafted with precision using advanced stainless steel alloys, every fastener passes through stringent manufacturing processes to guarantee unrivaled reliability and performance, ensuring steady operation even under the most demanding conditions.
Material | Specification | Standards | Size | Length |
ASTM A193 B8 CL2 Fasteners
| 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 CL2 Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL2M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL2 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 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 |
| Element | B7 | B8 CL2 | B8 CL2M |
| 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% |
At Sumakhsteel, we take great pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across the USA, we maintain an extensive stock of more than 25,000 tons of top-grade materials kept readily on hand.
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We supply These ASTM A193 B8 CL2 Fasteners in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: ASTM A193 B8 Class 2 fasteners are manufactured from AISI 304 stainless steel, delivering superior corrosion resistance across a broad spectrum of settings, such as marine and chemical processing sectors.
High Temperature Strength: At high temperatures, these fasteners maintain their strength and structural integrity, which makes them well-suited for uses that demand strong heat resistance.
Ductility: B8 Class 2 materials exhibit strong ductility, enabling them to be formed and shaped without sacrificing mechanical properties, a benefit during both installation and maintenance.
Weldability: They can typically be welded with standard welding methods, offering flexibility throughout assembly and repair procedures.
Versatility: Thanks to their adaptable characteristics, ASTM A193 B8 Class 2 fasteners serve numerous industries and applications, including petrochemical, oil and gas, power generation, and food processing sectors.
ASTM A193 B8 CL2 Fasteners find uses as varied as the sectors they support, led chiefly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
ASTM A193 B8 CL2 fasteners, constructed from 304 stainless steel, may undergo galvanic corrosion when combined with dissimilar metals in corrosive settings. Selecting appropriate materials or providing adequate insulation is essential to reduce this risk in applications where different metals come into contact with one another.
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