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Material | Specification | Standards | Size | Length |
ASTM A193 B8C 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% |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for every one of your piping requirements. With advanced production facilities strategically positioned across the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these ASTM A193 B8C Bolts in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: ASTM A193 B8C bolts are manufactured from AISI 347 stainless steel, a material that provides outstanding corrosion resistance, particularly in settings where oxidation and elevated temperatures pose challenges. This quality makes them well-suited for chemical processing, petrochemical, and other corrosive applications.
High Temperature Strength: These bolts are engineered to retain their mechanical properties at high temperatures, reaching up to 800°F (427°C). This capacity for strength under heat makes them perfect for applications where heat resistance is essential.
Chemical Compatibility: AISI 347 stainless steel, employed in ASTM A193 B8C bolts, demonstrates strong chemical compatibility with a broad array of substances, such as organic acids, oxidizing acids, and salts. This improves their dependability in chemical processing and related sectors.
Mechanical Properties: B8C bolts are recognized for their outstanding mechanical properties, such as high tensile strength and toughness. They are capable of enduring significant loads and stresses without sacrificing their structural integrity.
Versatility: These bolts are adaptable and are used across a range of industries, such as oil and gas, power generation, and aerospace, where their blend of corrosion resistance, temperature stability, and mechanical strength is greatly appreciated.
ASTM A193 B8C Bolts serve applications as varied as the 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.
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