Home > ASTM A193 B7 Bolts
Request For Our Latest Prices On ASTM A193 B7 Bolts in Kuala lumpur, Malaysia!
Mira Fasteners is a well-respected manufacturer and supplier of ASTM A193 B7 Bolts, proudly based in Kuala Lumpur, Malaysia. These high-strength alloy steel bolts are essential in critical industrial sectors like oil and gas, petrochemicals, power generation, and construction. Mira Fasteners is committed to upholding international quality standards, crafting bolts that are recognized for their durability, precision, and reliability. With a strong emphasis on consistent quality and prompt service, Mira Fasteners has built a solid reputation across Malaysia and Southeast Asia as a trusted source for ASTM A193 B7 Bolts.
ASTM A193 B7 Bolts are crafted from chromium-molybdenum alloy steel, which undergoes heat treatment to enhance their mechanical properties. These bolts boast a minimum tensile strength of 860 MPa and a yield strength of 720 MPa, providing excellent toughness, fatigue resistance, and performance even in high-temperature environments up to 450°C. The alloy’s composition offers good protection against hydrogen embrittlement and stress corrosion cracking, especially when properly coated or plated. B7 bolts are commonly used in pressure vessels, flanges, valve assemblies, and other high-pressure equipment.
Material | Specification | Standards | Size | Length |
ASTM A193 B7 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 |
| 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% |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
You’ll find ASTM A193 B7 Bolts widely utilized in the oil and gas industry, refineries, chemical plants, power stations, and heavy engineering sectors. They’re perfect for securing flanged joints, pressure vessel connections, and high-temperature pipelines, where strength and reliability are paramount. Available in a range of sizes and finishes, including black oxide or zinc plating, these bolts provide robust and secure fastening even under the most demanding conditions. Their blend of strength, heat resistance, and cost-effectiveness makes ASTM A193 B7 Bolts a top choice for engineers and maintenance professionals around the globe.
Introducing Mira Fasteners’ ASTM A193 B7 Bolts, engineered for superior strength and durability. These high-performance bolts are crafted from high-alloy steel, ideal for demanding applications in extreme temperatures and high-pressure environments. Each bolt meets stringent ASTM standards, ensuring exceptional reliability and safety. Packaged securely to prevent damage, our fasteners come with clear labeling for easy identification. Trust Mira Fasteners for unmatched quality and performance in every project.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
©2024 Mira Fasteners All Rights Reserved.
