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Our firm concentrates on providing a varied selection of ASTM A193 B8M Stud Bolts, obtained from trustworthy suppliers celebrated for their proficiency in producing premium alloy steel goods. These stud bolts play a vital role in firmly securing different components, offered in an extensive range of sizes, grades, and industry standards to meet a wide spectrum of client needs. Highly regarded in fields like construction and engineering, our top-tier ASTM A193 B8M Stud Bolts are valued for their outstanding resistance to corrosion and wear. By integrating specialized alloys and stringent heat treatment procedures, these stud bolts are designed to boost their hardenability, guaranteeing uniform mechanical properties throughout their whole structure.
Material | Specification | Standards | Size | Length |
ASTM A193 B8M StudBolt
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 |
| 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 advanced solutions for every one of your piping requirements. Featuring modern production facilities strategically positioned in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
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We supply these ASTM A193 B8M Stud Bolts in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: B8M stud bolts are manufactured from stainless steel grade 316, which delivers outstanding corrosion resistance, particularly in marine and chloride settings. This quality makes them well-suited for applications where contact with moisture or aggressive chemicals is a concern.
High Strength: Grade B8M stainless steel offers strong mechanical characteristics, such as high tensile strength and toughness. This guarantees dependable performance when loaded, making them appropriate for heavy-duty applications.
Temperature Resistance: They retain solid mechanical properties in both elevated and low temperature conditions, which expands their range of use across varying operating environments.
Standards Compliance: ASTM A193 B8M sets strict requirements for the material makeup, mechanical properties, and dimensions of the stud bolts. Meeting these standards ensures uniformity and dependability in performance.
Widely Accepted: ASTM A193 B8M stud bolts are broadly adopted and applied across numerous industries, such as oil and gas, chemical processing, marine, and construction. This makes them easy to source and backed by industry standards and specifications.
ASTM A193 B8M Stud Bolts serve applications as varied as the industries 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.
