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 in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: ASTM A193 B8 Class 2 bolts are manufactured from 304 stainless steel, which delivers outstanding corrosion resistance across a range of settings, such as freshwater, industrial atmospheres, and mild chemical environments. This quality makes them well-suited for outdoor and marine uses where moisture exposure poses a concern.
Temperature Resistance: These bolts retain their mechanical properties across a broad temperature span, rendering them appropriate for both high- and low-temperature uses. This encompasses cryogenic applications where temperatures may fall considerably.
Strength and Durability: ASTM A193 B8 Class 2 bolts are engineered to offer high tensile strength along with good toughness, guaranteeing they can bear heavy loads and mechanical stresses without readily deforming or breaking.
Ease of Fabrication: They can be machined with relative ease, which supports their application in manufacturing processes that call for custom sizes or shapes. This straightforward fabrication also cuts down on production time and expenses.
Widely Accepted Standards: ASTM A193 is an internationally acknowledged specification for alloy steel and stainless steel bolts intended for high-temperature or high-pressure service. Employing bolts that satisfy this standard guarantees adherence to industry requirements and specifications.
ASTM A193 B8 CL2 Bolts find uses as varied as the sectors they cater to, 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.
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