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Punit Fasteners, a prominent manufacturer and supplier located in Delhi, India, focuses on producing high-performance Stainless Steel 422 Washers tailored for critical industrial applications. These washers are engineered to provide exceptional strength, thermal stability, and resistance to oxidation, making them perfect for high-temperature and high-stress environments. With a solid reputation for precision engineering and consistent quality, Punit Fasteners ensures that their washers meet rigorous international standards. Widely utilized in sectors like power generation, aerospace, and heavy engineering, SS 422 Washers come in various sizes and finishes. The company also offers customized solutions to cater to diverse customer needs across India and beyond, supported by expert assistance and prompt delivery.
Stainless Steel 422 Washers are crafted from a martensitic stainless steel alloy that contains about 12% chromium, 1% molybdenum, along with trace amounts of vanadium and tungsten, with iron as the primary component. These washers boast impressive heat resistance, high tensile strength (ranging from 760 to 1050 MPa), and yield strength (between 450 and 850 MPa), depending on the heat treatment they undergo. The material is recognized for its good oxidation resistance up to 650°C (1200°F) and strong creep resistance. SS 422 Washers maintain their structural integrity even under cyclic thermal and mechanical loads, making them an excellent choice for critical applications that involve stress and elevated temperatures.
| 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 Washers find extensive use in scenarios where exceptional strength and thermal resistance are crucial. They are commonly used in gas turbines, steam turbines, jet engines, pressure vessels, and high-temperature flanged connections, providing stable load distribution even in extreme conditions. Their resistance to creep and oxidation makes them indispensable in industries such as aerospace, power generation, oil & gas, and heavy equipment. Additionally, SS 422 Washers are perfect for bolted joints, ensuring reliability and performance in demanding applications.
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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