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Stainless Steel 422 Washers are tough, hardenable components made from stainless steel, specifically designed to ensure secure load distribution and reliable fastening in challenging environments. They’re well-known for their impressive resistance to corrosion, wear, and their ability to maintain stability even at high temperatures, making them perfect for industrial applications where durability and performance are a must. Thanks to their precise manufacturing, these washers boast consistent dimensions that fit snugly with bolts, nuts, and other fasteners, which helps enhance the overall integrity of various assemblies. You’ll find Stainless Steel 422 Washers commonly used in high-stress and high-temperature situations where reliability and longevity are key.
These washers are primarily made up of iron, chromium (12–14%), molybdenum, tungsten, nickel, and carbon. This unique blend gives them high hardenability, excellent tensile and yield strength, and outstanding wear resistance. Mechanically, they hold their hardness and dimensional stability even when faced with heavy loads and elevated temperatures up to 650°C (1200°F). Their martensitic microstructure adds to their toughness, fatigue resistance, and dependable performance in corrosive or thermally challenging settings, making them ideal for critical engineering applications that require durable and long-lasting components.
Element | min | max |
Carbon, C | 0.20 | 0.25 |
Manganese, Mn | 0.20 | 0.60 |
Silicon, Si | — | 1.0 |
Sulfur, S | — | 0.030 |
Phosphorus, P | — | 0.040 |
Chromium, Cr | 11 | 13.50 |
Tungsten, W | 0.75 | 1.25 |
Nickel, Ni | 0.50 | 1.00 |
Vanadium, V | 0.17 | 0.30 |
Copper, Cu | — | 0.50 |
Iron, Fe | — | *Balance |
|
Property |
Imperial |
Metric |
|
Density |
0.28 lb/in³ |
7.75 g/cc |
|
Tensile Strength |
140 ksi |
965 MPa |
|
Yield Strength at 0.2% Offset |
115 ksi |
793 MPa |
|
Modulus of Elasticity |
190 – 210 GPa |
27557 – 30458 ksi |
|
Poisson’s Ration |
0.27 – 0.30 |
0.27 – 0.30 |
|
Elongation in 4D |
13% |
13% |
|
Reduction of Area |
25% |
25% |
|
Hardness, Rockwell B |
95 max |
95 max |
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Stainless steel 422 washers are widely used in high-stress and high-temperature environments. They are ideal for aerospace applications, including jet engine components, because of their excellent resistance to combustion engine fatigue and oxidation. They are used in gas turbines and steam turbines due to their high mechanical properties and durability in power generation. Furthermore, they are suitable for chemical applications, where corrosion and abrasion resistance is required. These washers also find applications in high-temperature fastener fittings, providing reliable operation and maintaining integrity under harsh conditions.
Stainless Steel 422 Washers are perfect for applications that need robust, high-temperature-resistant fastening solutions. You’ll often find them in gas turbines, power generation equipment, aerospace assemblies, petrochemical plants, and industrial machinery. In chemical processing, steam generators, and high-pressure equipment, they ensure reliable load distribution while standing up to wear and corrosion. These washers also play a crucial role in automotive, marine, and heavy engineering projects, providing secure fastening and structural stability. Their blend of strength, heat resistance, and durability makes Stainless Steel 422 Washers an essential choice for demanding applications.
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