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Rinku Fasteners is a well-regarded manufacturer and supplier of top-notch Stainless Steel 422 Bolts, based in Kolkata, India. The company has built a reputation for delivering high-performance fastening solutions tailored for tough industrial settings. Their SS 422 bolts are known for their remarkable strength, heat resistance, and durability, making them perfect for critical and high-temperature applications. With state-of-the-art manufacturing facilities, rigorous quality checks, and a dedication to international standards, Rinku Fasteners guarantees reliable products. Their customer-centric approach and focus on precision engineering have made them a trusted name in stainless steel fasteners across various industries in India and beyond.
Stainless Steel 422 Bolts are crafted from a martensitic stainless steel alloy that includes chromium, molybdenum, tungsten, and carbon, enhancing their hardness and heat resistance. This unique composition results in outstanding mechanical strength, stability at high temperatures, and decent corrosion resistance in moderately aggressive environments. SS 422 bolts can undergo heat treatment to achieve exceptional tensile strength, toughness, and wear resistance. Their ability to maintain strength even at elevated temperatures makes them ideal for turbine, power generation, and aerospace applications where durability and performance are paramount.
| 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 422 Bolts find extensive use in high-temperature and high-stress scenarios thanks to their remarkable strength and thermal stability. They’re commonly utilized in gas and steam turbines, aerospace components, power generation equipment, and high-performance industrial machinery. Their wear resistance and mechanical reliability make them perfect for valves, pumps, compressor parts, and structural assemblies that face extreme operating conditions. Additionally, SS 422 bolts are employed in petrochemical plants, heat-treatment systems, and various other demanding environments.
Our stainless steel 422 bolts go through rigorous quality checks to ensure superior performance. These tests include hardness tests, chemical analysis by Spectro analysis, determination of quality materials by PMI tests, leveling tests, micro-macro tests, pitting resistance tests, fire tests, intergranular corrosion (IGC) tests complete for, with trade invoicing including HS codes and gross weight, box count, label, number of shows and contains a detailed packing list In addition, a certificate of origin from a trade group or accompanied by a diplomatic formalization and a letter of acknowledgement. For customer satisfaction, we also offer a third-party inspection certificate, which proves the quality and reliability of our stainless steel 422 bolts. Safe and durable packaging is used to ensure safe transportation.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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