Home > Other Material > ASTM A193 B8 CL2 Bolts
Material | Specification | Standards | Size | Length |
ASTM A193 B8 CL2 Hex Bolt
| 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 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 | |
| B8M 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 | 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% |
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We supply these ASTM A193 B8 CL2 Bolts conforming to DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: ASTM A193 B8 Class 2 bolts are manufactured from 304 stainless steel, which offers outstanding protection against corrosion across a variety of settings, such as freshwater, industrial atmospheres, and mild chemical environments. This makes them well-suited for outdoor and marine uses where moisture exposure is a concern.
Temperature Resistance: These bolts retain their mechanical properties across a broad temperature range, making them appropriate for both high- and low-temperature uses. This covers cryogenic applications where temperatures can fall considerably.
Strength and Durability: ASTM A193 B8 Class 2 bolts are engineered to deliver high tensile strength along with good toughness, ensuring they can handle heavy loads and mechanical stresses without easily deforming or breaking.
Ease of Fabrication: They are fairly easy to machine, which supports their use in manufacturing processes that call for custom sizes or shapes. This ease of fabrication also cuts down on production time and expenses.
Widely Accepted Standards: ASTM A193 is an internationally recognized specification for alloy steel and stainless steel bolts intended for high-temperature or high-pressure service. Employing bolts that satisfy this standard ensures conformance with industry requirements and specifications.
ASTM A193 B8 CL2 Bolts serve a wide range of uses across the many industries that rely on them, 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.
