Thabiso Steel is a reputable manufacturer and supplier located in Cape Town, South Africa, focusing on top-notch Alloy Steel Gr B7M Washers that are built for strength, durability, and dependable performance in tough industrial settings. With a reputation for precision engineering and a commitment to international quality standards, Thabiso Steel delivers washers that excel in resisting corrosion, high temperatures, and mechanical stress. These Alloy Steel Gr B7M Washers are perfect for sectors like oil and gas, petrochemical, power generation, and heavy machinery, where secure and long-lasting fastening solutions are a must. Thabiso Steel guarantees consistent quality, safety, and operational reliability across all applications.
Alloy Steel Gr B7M Washers are mainly made up of chromium, molybdenum, and carbon, with carefully controlled amounts of manganese and silicon. This specific chemical makeup boosts their mechanical strength, hardness, and resistance to wear, corrosion, and high temperatures. The washers showcase impressive tensile and yield strength, along with outstanding toughness, ductility, and impact resistance. Their stability and durability make them ideal for high-pressure, high-temperature, and critical industrial fastening applications that demand long-lasting and reliable performance.
| 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 are extensively utilized in industries that need secure and durable fastening solutions. They are often used alongside bolts, nuts, and other fasteners in pipelines, pressure vessels, boilers, heat exchangers, turbines, and heavy machinery. These washers ensure even load distribution, prevent loosening due to vibration, and enhance joint integrity in high-pressure, high-temperature, and corrosive environments. With their remarkable mechanical properties, wear resistance, and long service life, Alloy Steel Gr B7M Washers are vital for maintaining safety, efficiency, and reliability in essential industrial operations.
ThabisoSteel 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 Cape Town, South Africa.
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