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Punit Fasteners is a reliable manufacturer and supplier of Stainless Steel 422 Nuts, based in Delhi, India. Known for its dedication to precision, durability, and customer satisfaction, the company offers high-performance fasteners designed to meet the rigorous demands of various industries. These Stainless Steel 422 Nuts are crafted for exceptional strength, resistance to oxidation, and outstanding performance in high-temperature settings. With cutting-edge production technology and stringent quality control, Punit Fasteners provides dependable, corrosion-resistant fasteners to clients both in India and internationally. Whether it’s for power generation, aerospace, or general engineering, Punit Fasteners guarantees that every product meets international quality and material standards.
Stainless Steel 422 Nuts are martensitic, hardenable stainless steel fasteners made up of 12% chromium, 1% molybdenum, and small amounts of vanadium and tungsten, all based on iron. They are recognized for their high creep and rupture strength at elevated temperatures, boasting a tensile strength between 760 and 1050 MPa and a yield strength ranging from 450 to 850 MPa, depending on the heat treatment process. These nuts also maintain good oxidation resistance up to 1200°F (650°C) and demonstrate excellent toughness. Their well-balanced mechanical properties make them perfect for high-temperature, high-stress applications in industrial 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 % |
| 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.
Stainless Steel 422 Nuts are specifically engineered for high-temperature and high-stress environments, making them perfect for turbine components, power generation equipment, and jet engine assemblies. They are frequently utilized in gas turbines, steam turbines, and aerospace applications due to their remarkable creep and oxidation resistance. Additionally, they are well-suited for furnace parts, heat exchangers, and industrial machinery that operate under extreme thermal and mechanical loads. Their superior hardness and strength after heat treatment ensure they can handle the toughest conditions.
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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