Marzouk Steel, located in Tunis, Tunisia, stands out as a top manufacturer and supplier of high-quality Alloy Steel Gr B5 washers. Known for their impressive strength, precision, and durability, these washers are designed to meet the rigorous demands of various industries, including automotive, construction, and heavy machinery. By employing cutting-edge manufacturing techniques and strict quality control measures, Marzouk Steel guarantees that every Gr B5 washer provides reliable performance, mechanical stability, and a long lifespan. Catering to sectors like engineering and manufacturing, the company offers washers that boast exceptional hardness, corrosion resistance, and toughness, making them perfect for high-stress and critical fastening tasks.
Alloy Steel Gr B5 washers are crafted from top-notch alloy steel that includes carbon, chromium, nickel, and molybdenum, all engineered to enhance strength, toughness, and wear resistance. These washers showcase remarkable mechanical properties, with a tensile strength ranging from about 700 to 850 MPa, yield strength between 500 and 650 MPa, and an elongation of 10 to 15%. Heat-treated to boost hardness, fatigue resistance, and dimensional stability, Alloy Steel Gr B5 washers are built to perform reliably under heavy loads and extreme conditions. Their blend of toughness, ductility, and mechanical integrity ensures secure and lasting fastening in industrial assemblies.
| 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 B5 | 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 |
|---|---|---|---|---|---|
| B5 | 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 B5 washers find extensive use in automotive, construction, heavy machinery, and industrial equipment applications. They play a crucial role in bolted joints, helping to distribute loads, minimize wear, and prevent loosening due to vibrations. With outstanding tensile strength, durability, and resistance to corrosion, these washers promise long-term reliability and lower maintenance needs. Engineers and industrial operators favor Alloy Steel Gr B5 washers for precision fastening in high-stress environments, making them an essential component in modern industrial, mechanical, and engineering applications that require secure connections.
Marzouk 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 Tunis, Tunisia.
Copyright 2025 Marzouk Steel. All rights reserved
