Home > ASTM A193 B7 Bolts
Request For Our Latest Prices On ASTM A193 B7 Bolts in Chennai, India!
Puri Fasteners is a trusted manufacturer and supplier in Chennai, offering premium-quality ASTM A193 B7 Bolts designed for superior strength, durability, and reliability in demanding industrial applications. These bolts are precision-engineered to meet international standards, ensuring consistent performance under high pressure, elevated temperatures, and heavy loads. Known for their excellent mechanical properties and corrosion resistance, ASTM A193 B7 Bolts from Puri Fasteners are ideal for use in construction, petrochemical industries, power generation, and heavy machinery. With a focus on quality, timely delivery, and customer satisfaction, the company provides dependable fastening solutions for critical industrial projects.
ASTM A193 B7 Bolts are made from high-strength alloy steel, containing carbon, manganese, chromium, and molybdenum to enhance durability and mechanical performance. They are heat-treated to achieve high tensile and yield strength, ensuring the bolts withstand heavy loads, high-stress environments, and elevated temperatures. These bolts provide excellent hardness, toughness, and wear resistance while maintaining dimensional stability and reliable threading for secure assembly. Their balanced chemical composition and precise manufacturing make ASTM A193 B7 Bolts suitable for applications requiring long-term reliability, mechanical strength, and consistent performance in challenging industrial conditions.
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.
ASTM A193 B7 Bolts are widely used in industries that demand high-strength and reliable fastening solutions. They are commonly utilized in pressure vessels, pipelines, boilers, and heavy machinery installations where durability is critical. These bolts are suitable for high-temperature, high-pressure, and corrosive environments, making them ideal for petrochemical plants, power generation facilities, refineries, and industrial equipment. They are also used in structural frameworks, bolted flange connections, and mechanical systems that require secure and stable fasteners. With superior strength, toughness, and long-lasting performance, ASTM A193 B7 Bolts ensure safety and reliability in critical industrial applications.
Introducing Puri 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 Puri Fasteners for unmatched quality and performance in every project.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
©2024 Puri Fasteners All Rights Reserved.
