Weston Stainless in Midland, UK, is a leading provider of premium stainless steel products, such as Stainless Steel 422 Bars. These bars are produced using grade 422 stainless steel, a martensitic hardenable alloy with superior high-temperature strength, corrosion resistance, and wear resistance. They can be supplied in several shapes like round, square, and hex bars, which find extensive applications in applications that demand high durability and mechanical strength. Their higher toughness and oxidation resistance render them appropriate for use in situations where high performance and longevity are a priority.
Stainless Steel 422 Bars consist of iron, 11-13% chromium for resisting corrosion, 0.20-0.30% carbon for strength and other additions of molybdenum, tungsten, and vanadium to increase heat resistance and mechanical properties. Stainless Steel 422 Bars provide a tensile strength of around 950-1250 MPa, yield strength of 690 MPa, and elongation of around 15%. They have a density of 7.8 g/cm³ and melting point of around 1415°C, which makes them suited for high-stress applications where thermal stability plays an important role.
| 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 % |
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Stainless Steel 422 Bars find extensive application in aerospace, power generation, and automotive sectors, especially in turbine parts, shafts, valves, and high-performance engine components. Due to their high strength and resistance to heat and wear, they are used in steam turbines, pumps, and fasteners subjected to high-temperature conditions. Stainless Steel 422 Bars also find application in petrochemical and marine industries, where mechanical durability and resistance to corrosion are critical for long-term operation.
Corrosion-resistant and engineered for high strength, Stainless Steel 422 Round Bars are available in diameters from 0.5″ to 12″. They are ideal for use in automotive and aerospace components where high durability and wear resistance are required.
Stainless Steel 422 Flat Bars offer superior hardness and resistance to oxidation, available in thicknesses from 0.25″ to 6″ and widths up to 12″. Perfect for structural applications and machinery needing high strength and durability.
Corrosion-resistant Stainless Steel 422 Square Bars are available in sizes from 0.5″ to 6″ on each side. These bars are designed for demanding applications where high strength and resistance to wear and oxidation are essential.
Excellent resistance to oxidation, Stainless Steel 422 Rectangular Bars come in dimensions from 0.5″ x 1″ to 6″ x 12″. Ideal for heavy-duty industrial applications requiring strength and durability under extreme conditions.
Their high strength and resistance to high temperatures, available in sizes from 0.5″ to 4″ across flats. Suitable for aerospace and high-performance industrial uses.
High strength and resistance to high temperatures, available in sizes from 0.5″ to 4″ across flats. Suitable for aerospace and high-performance industrial uses.
Stainless Steel 422 Bars are provided with mill test certificates, third-party inspection reports, and material traceability records to confirm international quality standards. They are safely packed in wooden crates, plastic wraps, or steel-strapped bundles to avoid damage during transportation. With various shipping methods, such as air, sea, and land freight, Weston Stainless provides prompt and secure delivery to worldwide locations.
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