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Ramu Fasteners stands out as a top manufacturer and supplier of Stainless Steel 442 Fasteners in Hyderabad, delivering robust and heat-resistant fastening solutions tailored for critical industrial needs. With state-of-the-art manufacturing facilities and rigorous quality control measures, the company guarantees precise dimensions, exceptional mechanical performance, and lasting reliability. Ramu Fasteners offers 442 fasteners in a variety of sizes, threads, and finishes to comply with international standards. Renowned for their outstanding oxidation and corrosion resistance at high temperatures, Stainless Steel 442 Fasteners are perfect for power plants, refineries, chemical processing units, and other demanding industrial settings.
Stainless Steel 442 is a high-chromium martensitic stainless steel that contains around 18–23% chromium and has a very low carbon content. This alloy is known for its excellent resistance to oxidation, scaling, and moderate corrosion, especially at elevated temperatures. 442 Fasteners boast high tensile and yield strength, impressive hardness, and superior wear resistance. Although they are slightly less ductile than austenitic grades, their thermal stability, toughness, and mechanical performance make them a great choice for fastening applications in high-temperature and high-stress industrial environments.
| 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 % |
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Stainless steel 442 fasteners find versatile applications in a variety of industries due to their exceptional resistance to corrosion and corrosion. It is commonly used in automotive exhaust systems, where it resists high temperatures and corrosive gases. Furthermore, these binders are used in industrial equipment in high temperature and chemical environments to ensure reliable performance and durability Their strength, as well as resistance to scaling making it suitable for use in power generation, chemical plants, and other demanding applications including durability, strength and materials
Stainless Steel 442 Fasteners find extensive use in industries that demand durability in high-temperature and moderately corrosive conditions. You’ll commonly see them in boilers, heat exchangers, furnaces, turbines, and petrochemical equipment. They’re also essential in power generation plants, refinery systems, and other thermal processing units where resistance to oxidation and scaling is crucial. 442 fasteners ensure secure and dependable fastening in mechanical assemblies that face extreme conditions, making them a reliable choice for various industrial applications.
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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