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Puri Fasteners, a well-respected manufacturer and supplier based in Chennai, specializes in high-quality Stainless Steel 422 Nuts that are built for strength, durability, and resistance to corrosion, making them perfect for tough industrial settings. Crafted with precision, these nuts ensure a secure fit, maintain their shape, and can handle significant mechanical stress and high temperatures. They’re particularly suited for situations where reliability and long-lasting performance are a must. Commonly found in the chemical, petrochemical, and marine sectors, these nuts help create strong assemblies, resist loosening from vibrations, and bolster the integrity of mechanical joints, making them a go-to choice for critical engineering, industrial, and structural projects that demand dependable fastening solutions.
Made from a martensitic-ferritic stainless steel alloy, Stainless Steel 422 Nuts typically contain 17–18% chromium, 2–3% nickel, and a controlled amount of carbon. This unique blend gives them impressive tensile strength, hardness, and moderate corrosion resistance, along with excellent wear resistance and stability at high temperatures. Their mechanical properties include toughness, resistance to stress corrosion cracking, and durability under heavy loads. These features make them ideal for critical industrial applications, ensuring they perform reliably over time, provide secure fastening, and maintain mechanical integrity in challenging environments, including those with high temperatures and moderate corrosive conditions.
| 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 % |
| Material | Specification | Standards | Length | Size |
| 422 Stainless Steel Fasteners | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
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.
You’ll find Stainless Steel 422 Nuts widely used in chemical processing equipment, pressure vessels, heat exchangers, pumps, valves, and marine structures. They’re also perfect for industrial machinery, automotive assemblies, and structural applications that require secure load distribution and resistance to loosening from vibrations. Plus, these nuts are great for fabrication projects that are exposed to high temperatures and moderately corrosive environments. With their mechanical stability, they truly stand out in demanding applications.
We ensure comprehensive documentation for our Stainless Steel 422 Nuts, including a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. Our extensive testing certificates for Stainless Steel 422 Nuts include MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. Additionally, we provide secure and robust packaging to safeguard the nuts during transit. These meticulous efforts are undertaken to guarantee 100% client satisfaction and ensure the quality and compliance of our Stainless Steel 422 Nuts.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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