Yousef Steel has earned a solid reputation as a reliable manufacturer and supplier based in Riyadh, Saudi Arabia, specializing in top-notch Alloy Steel Gr B7M Washers. These washers are crafted to meet the rigorous standards of critical industrial applications. Built in line with ASTM A193 specifications, they’re perfect for high-pressure, high-temperature, and corrosive settings. Renowned for their outstanding durability, strength, and precision, Alloy Steel Gr B7M Washers boost fastening reliability and promise long-lasting performance. With a strong focus on quality assurance, Yousef Steel provides washers that are widely utilized in the oil and gas, petrochemical, power generation, marine, and heavy engineering industries.
These washers are made from chromium-molybdenum alloy steel, featuring controlled amounts of carbon, manganese, and other key elements that enhance toughness and strength. They undergo heat treatment and tempering to achieve exceptional mechanical properties, including high tensile and yield strength, hardness, and resistance to stress corrosion cracking and hydrogen embrittlement. This makes them perfect for demanding applications where strength and reliability are non-negotiable.
| 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 wide application in high-temperature and high-pressure uses due to their superior strength and corrosion resistance. They find extensive use in oil & gas operations, petrochemical plants, power generation facilities, and offshore drilling operations. These washers provide safe fastening in flanges, valves, pressure vessels, and pipeline assemblies under harsh conditions while maintaining structural integrity. Their resistance to hydrogen stress makes them suitable for sour gas environments. They are also utilized in chemical processing facilities, refineries, and heavy equipment where reliability and durability are essential. B7M washers are crucial to improving joint strength and safety.
Yousef 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 Riyadh, Saudi Arabia.
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