Dang Steel, a top-notch manufacturer and supplier based in Da Nang, Vietnam, specializes in high-quality Alloy Steel Gr B7M Washers tailored for industrial and engineering needs. Known for their precision manufacturing and rigorous quality control, Dang Steel guarantees that each washer adheres to international standards, ensuring durability, reliability, and outstanding performance even in extreme conditions. With cutting-edge production techniques and a dedication to excellence, their Alloy Steel Gr B7M Washers deliver consistent mechanical strength, corrosion resistance, and precise dimensions, making them a go-to choice for engineers, contractors, and industries that require robust fastening solutions for critical projects throughout Vietnam and beyond.
These Alloy Steel Gr B7M Washers are primarily made from carbon steel, enhanced with chromium and molybdenum to boost strength, hardness, and thermal stability. After being heat-treated and quenched, these washers showcase impressive tensile strength, yield strength, and remarkable fatigue resistance. Their mechanical properties include exceptional toughness, wear resistance, and the ability to maintain structural integrity under heavy loads and high temperatures. Thanks to precision manufacturing, they feature uniform thickness, a smooth surface finish, and consistent hardness, ensuring reliable performance in demanding industrial applications while meeting ASTM and ISO standards for mechanical fasteners.
| 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 | : | Flat Washer, Lock Washer, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer SPRINGS – Wire Spring & Flat Spring. |
| Alloy Steel B7M | C | Mn | P | S | Si | Cr | Mo |
| 0.37-0.49 | 0.65-1.10 | 0.035 Max | 0.04 Max | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B7M | 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Alloy Steel Gr B7M Washers find extensive use in high-pressure bolted connections, pipelines, petrochemical plants, power generation, and heavy machinery assemblies. Their outstanding strength and resistance to deformation make them perfect for securing bolts in critical joints that face vibration, stress, and elevated temperatures. These washers are also utilized in the automotive, aerospace, and construction industries, where dependable load distribution and structural integrity are crucial. With Dang Steel’s B7M Washers, you can count on long-lasting performance, prevention of bolt loosening, and enhanced safety in mechanical assemblies.
Dang 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 Da Nang, Vietnam.
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