Alloy Steel Gr B7M Screws are tough, high-strength fasteners designed for demanding industrial, mechanical, and structural tasks. Made from a special alloy steel that includes chromium and molybdenum, these screws boast impressive tensile strength, hardness, and resistance to wear, fatigue, and corrosion. They come with precise threading and smooth finishes, ensuring a secure fit, reliable load distribution, and long-lasting performance. You’ll find Gr B7M Screws in industries like oil and gas, petrochemicals, power generation, and heavy engineering, where safety, durability, and mechanical reliability are non-negotiable.
Alloy Steel Gr B7M Screws are chromium-molybdenum alloy steel fasteners that possess high strength, excellent toughness, and resistance to corrosion. They have an approximate composition of 0.38-0.48% Carbon, 0.75-1.00% Manganese, 0.15-0.35% Silicon, 0.75-1.20% Chromium, and 0.15-0.25% Molybdenum. They are heat-treated under controlled conditions and tempered to soften hardness without decreasing strength, and thus they find application in those environments where resistance to high pressure and temperature is needed. B7M screws are used extensively in critical applications where reliability is to be enhanced and stress resistance is a requirement.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | IS, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Screw, Socket Head Cap Screw, Socket Set Screws, Anchor Screw, Blind Rivet, Concrete screw, Threaded Screw, Steel Shoulder Screw, Panel Screw, Machine Screw. |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
These screws are primarily made from iron, mixed with carbon, chromium, molybdenum, and a few trace elements to boost their strength and toughness. This unique blend gives them high tensile and yield strength, outstanding impact resistance, and the ability to handle heavy loads without bending. Plus, heat treatment processes enhance their hardness, wear resistance, and overall mechanical performance, making them perfect for high-pressure and high-temperature settings.
You’ll often see Alloy Steel Gr B7M Screws in flanged joints, pipelines, pressure vessels, heavy machinery, and structural assemblies. They excel in high-pressure, high-temperature, and chemically challenging environments, providing secure and durable fastening solutions. With their strength, corrosion resistance, and long-term reliability, Alloy Steel Gr B7M Screws are the go-to choice for critical industrial and engineering applications.
Chetak Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hyderabad, India.
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