Nestled in the heart of Addis Ababa, Desta Steel stands as a trusted pillar for Ethiopia’s industrial growth, proudly manufacturing and supplying critical components like the Alloy Steel Gr B7 Washer. We understand that the integrity of your projects hinges on the reliability of every single part, which is why our commitment to precision and exceptional quality is at the core of everything we produce. This dedication ensures that when you source from us, you are building with confidence, backed by local expertise and internationally recognized standards.
The remarkable strength of the Alloy Steel Gr B7 Washer comes from its specific chromium-molybdenum composition, which gives it outstanding traits. It is specifically heat-treated through quenching and tempering to achieve a fine tempered martensite structure, resulting in impressive mechanical properties. This process grants it a high tensile strength and excellent resistance to creep and relaxation, even when faced with sustained loads and elevated temperatures, making it far superior to standard washers.
| Specifications | : | ASTM A 194 ASME SA 194 |
| 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 GR 7 | C | Mn | P | S | Si | Mo | Cr |
| 0.37-0.49% | 0.65-1.10% | 0.04% | 0.04% | 0.15-0.035% | 0.15-0.25% | 0.75-1.20% |
| 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
In demanding environments where safety and durability are non-negotiable, the Alloy Steel Gr B7 Washer is an indispensable component. You will find it providing a secure, reliable load-bearing surface in high-pressure piping systems, critical bolting assemblies in petrochemical plants, and the structural frameworks of power generation facilities. It is the go-to choice for flanged connections, pressure vessels, and valve assemblies, essentially anywhere that requires a fastener system capable of withstanding intense stress, vibration, and extreme heat without compromising its clamping force.
Desta 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 Addis Ababa, Ethiopia.
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