Home > Other Material > ASTM A193 B8M Fasteners
Material | Specification | Standards | Size | Length |
ASTM A193 B8M 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 | |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8MM Class 1 | All | 75 | 30 | 30 | 50 |
| B8M 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 | |
| B8MM 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 | B8M | B8MM |
| 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% |
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We offer These ASTM A193 B8M Fasteners as per DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: B8M fasteners are made from stainless steel (typically AISI 316), which offers excellent resistance to corrosion, especially in marine or chloride-rich environments. This makes them suitable for outdoor applications and industries like marine, chemical processing, and oil & gas.
High Strength: These fasteners are heat-treated to achieve a specified mechanical property such as tensile strength, which ensures they can withstand significant loads without deformation or failure.
Temperature Resistance: They exhibit good resistance to high temperatures, which makes them suitable for applications where exposure to heat or thermal cycling is common, such as in engines or turbines.
Durability: Stainless steel B8M fasteners are durable and have a long service life due to their resistance to corrosion, oxidation, and wear.
Versatility: They are suitable for a wide range of applications due to their combination of corrosion resistance, strength, and temperature resistance properties.
ASTM A193 B8M Fasteners applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
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