Esha Steel is a reputable manufacturer and supplier of top-notch Alloy Steel Gr B7 Washers, proudly based in Kolkata. They specialize in providing durable and precision-engineered fastening solutions tailored for a wide range of industrial applications. With state-of-the-art manufacturing facilities and a commitment to strict quality control, Esha Steel adheres to international standards, ensuring that every washer boasts superior strength, reliability, and long-lasting performance. Their Alloy Steel Gr B7 Washers are particularly appreciated for their excellent corrosion resistance, mechanical toughness, and dimensional stability. Catering to industries like oil and gas, petrochemicals, power generation, and heavy engineering, Esha Steel consistently delivers products that blend precision, durability, and efficiency, earning the trust of customers through timely deliveries and outstanding quality.
These Alloy Steel Gr B7 Washers are crafted from high-grade alloy steel, enhanced with chromium, molybdenum, and nickel to boost their mechanical strength, hardness, and corrosion resistance. They showcase remarkable tensile strength, wear resistance, and toughness. On a mechanical level, they offer a high load-bearing capacity, dimensional stability, and reliable performance even under extreme temperature and pressure conditions. Their robust chemical and mechanical properties guarantee long-term durability, making them ideal for critical applications that demand strength, resilience, and dependable performance in challenging industrial settings.
| Specifications | : | ASTM A 194 ASME SA 194 |
| 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 GR 7 | C | Mn | P | S | Si | Mo | Cr |
| 0.37-0.49% | 0.65-1.10% | 0.04% | 0.04% | 0.15-0.035% | 0.15-0.25% | 0.75-1.20% |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B7 | 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 B7 Washers find extensive use in industries that require high-strength, corrosion-resistant, and reliable components for bolted connections. In the oil and gas sector, they are essential for pipeline assemblies, flanged joints, and valve connections. The petrochemical and refinery industries utilize them in pressure vessels, process equipment, and high-temperature piping systems. Additionally, they are employed in power plants, heavy engineering, and construction projects where mechanical strength, durability, and thermal resistance are crucial. Their exceptional load-bearing capacity and toughness make them a go-to choice for demanding applications.
Esha 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 Kolkata India.
Copyright 2025 Esha Steel. All rights reserved
