Naing Steel is proud to be a trusted manufacturer and supplier right here in Naypyidaw, providing essential industrial components to a growing Myanmar. We specialize in producing high-integrity parts like the Alloy Steel Gr B7M Washer, engineered to meet the rigorous demands of modern construction and energy sectors. Our commitment is to deliver not just a product, but a reliable solution that contributes to the strength and durability of your most critical projects, backed by our local expertise and dedication to quality.
The composition of the Alloy Steel Gr B7M Washer is carefully balanced, primarily featuring chromium and molybdenum, which gives it a distinct advantage in challenging environments. This specific alloy mix is key to its impressive mechanical properties, offering a high tensile strength that stands up to heavy loads. More importantly, it provides exceptional resistance to sulfide stress cracking, a common issue in sour service applications where exposure to corrosive elements would quickly degrade lesser materials.
| 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.
You’ll typically find the Alloy Steel Gr B7M Washer hard at work in some of the most demanding settings. Its primary use is within the oil and gas industry, where it is essential for flange connections in pipelines and pressure vessels handling sour gas. It’s also crucial in chemical processing plants and refineries, securing bolts in equipment that faces high pressures and corrosive substances. Essentially, wherever safety and reliability are non-negotiable, this washer provides the critical sealing force needed to maintain integrity.
Naing 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 Naypyidaw, Myanmar.
Copyright 2025 Naing Steel. All rights reserved
