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Punit Fasteners, located in Delhi, India, has built a solid reputation as a manufacturer and supplier of high-performance Stainless Steel 422 Bolts. The company is known for its precision-engineered fasteners that cater to industries with demanding needs, focusing on quality, durability, and customer satisfaction. These bolts are specifically crafted to endure high temperatures and mechanical stress, making them perfect for applications in power plants, turbines, and aerospace. Punit Fasteners follows strict quality standards and advanced manufacturing techniques, ensuring that each bolt meets international criteria. With a customer base that spans India and beyond, the company offers dependable fastening solutions tailored to meet unique industrial and engineering demands.
Stainless Steel 422 Bolts are crafted from a martensitic stainless steel alloy, primarily consisting of 12% chromium, 1% molybdenum, and trace amounts of vanadium and tungsten, with iron as the main component. These bolts can be heat-treated, providing impressive tensile strength (760–1050 MPa) and yield strength (450–850 MPa), depending on the heat treatment method used. They maintain their mechanical properties even at elevated temperatures of up to 650°C (1200°F), making them ideal for high-stress, high-heat environments. Additionally, Stainless Steel 422 offers good resistance to creep and oxidation, ensuring long-lasting reliability in critical applications.
| 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 industries that demand high strength, heat resistance, and protection against corrosion. Common applications include gas turbines, steam turbines, jet engines, power generation equipment, and high-temperature industrial machinery. These bolts are particularly popular in the aerospace, automotive, and thermal processing sectors due to their ability to handle extreme operating conditions. They are also used in furnace components, pressure vessels, and chemical processing plants.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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