Shalan Steel stands out as a top manufacturer and supplier of alloy steel Gr B7M washers right in the heart of Kuala Lumpur, Malaysia. They specialize in providing high-strength fastening components that are essential for critical industrial applications. These washers are crafted to meet ASTM A193 standards, ensuring they perform exceptionally well in high-pressure and high-temperature settings. With a focus on precision dimensions, a smooth surface finish, and rigorous quality control, Shalan Steel guarantees durability and reliability. They cater to various industries, including oil & gas, petrochemical, power generation, and marine engineering, supplying Gr B7M washers that comply with both local and international specifications for demanding bolting assemblies.
The alloy steel Gr B7M washers are made from chromium-molybdenum steel, which undergoes a process of quenching, tempering, and additional treatments to enhance ductility and toughness. The “M” in their name signifies that they are heat-treated to lower hardness levels, which helps them resist stress corrosion cracking while still maintaining sufficient strength. This balanced set of properties makes them ideal for challenging environments.
| 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.
These washers find their place in flange assemblies, valves, pressure vessels, and heat exchangers. In the oil & gas sector, they ensure secure fastening in pipelines and drilling equipment, while in power plants, they are integral to boilers and turbines. Petrochemical facilities depend on them for equipment that faces high pressure and corrosive substances, and marine applications benefit from their resilience in saltwater conditions. With their impressive strength, corrosion resistance, and versatility, alloy steel Gr B7M washers are the go-to choice for critical fastening needs.
Shalan 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 Kuala lumpur, Malaysia.
Copyright 2025 Shalan Steel. All rights reserved
