In the heart of Nigeria’s bustling capital, Samuel Steels has become a trusted name for industrial strength and reliability. We take pride in serving Abuja’s dynamic construction and energy sectors with unwavering quality, specializing in essential components like the Alloy Steel Gr B7M Washer. Our commitment is to provide local industries with the robust materials needed to build and maintain the critical infrastructure that powers our nation’s growth, ensuring every project is supported by products that meet the highest standards of durability and performance.
The composition of the Alloy Steel Gr B7M Washer is precisely engineered for resilience, primarily consisting of chromium and molybdenum. This specific blend gives the washer its notable resistance to corrosion and cracking under stress, particularly in challenging environments. Its mechanical properties are impressive, offering a high tensile strength that allows it to maintain a secure, reliable clamp load even when faced with extreme temperatures and significant pressure, making it a fundamentally strong component.
| 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.
When it comes to practical use, the Alloy Steel Gr B7M Washer is indispensable in situations where failure is not an option. You will typically find it hard at work in the demanding environments of oil and gas refineries, chemical processing plants, and high-temperature power generation facilities. Its primary role is to secure high-strength bolts in flanged connections, ensuring a tight seal that prevents leaks and maintains the integrity of pipelines and pressure vessels, especially where sour gas containing hydrogen sulfide is present.
Samuel 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 Abuja, Nigeria.
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