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Ramu Fasteners is a well-respected manufacturer and supplier of top-notch Stainless Steel 442 Washers, proudly based in Hyderabad, India. The company focuses on crafting durable and high-strength washers that are perfect for tough mechanical and industrial applications. Made from premium-grade martensitic stainless steel and utilizing advanced machining techniques, Ramu Fasteners’ Stainless Steel 442 Washers guarantee outstanding dimensional accuracy, impressive load-bearing capacity, and a long-lasting service life. With a strong commitment to quality control and compliance with international standards, the company delivers dependable fastening solutions to both local and global markets.
Stainless Steel 442 Washers are crafted from martensitic stainless steel, which boasts a high chromium content, usually between 18–23%, with iron as the primary metal and carefully controlled carbon levels. This unique blend offers excellent corrosion resistance along with high hardness and strength after heat treatment. These washers are known for their high tensile strength, good wear resistance, and remarkable ability to resist oxidation even at elevated temperatures. Additionally, Stainless Steel 442 Washers maintain good dimensional stability and perform exceptionally well in high-load and high-temperature settings.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 442 Washers are a go-to choice for many applications that need high strength, heat resistance, and decent corrosion protection. You’ll often find them in automotive parts, pumps, valves, and mechanical assemblies that face high temperatures. In the realms of power generation and industrial machinery, these washers excel at distributing loads reliably, even under significant stress. They’re also commonly used in oil and gas equipment, thermal systems, and heavy engineering projects. Plus, they’re perfect for structural and industrial fastening where durability and strength are key.
Stainless steel 442 washers are a must for applications that require durable bonding solutions in harsh environments. They play an important role in automotive exhaust systems, effectively preventing corrosion and withstanding high temperatures from exhaust gases These impostors also perform important functions in automotive mechanical devices corrosive materials and extreme temperatures, ensure strong bonding and long life to withstand oxidation and scaling Power generation , chemical processing plants No For demanding fields It makes it suitable. At Ramu Fasteners, each stainless steel 442 washer is packed with care to ensure safe transport and storage, reinforcing our commitment to reliable quality products a strong encounter will provide.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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