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Stainless Steel 422 Circle is a robust, martensitic stainless steel known for its impressive heat resistance, toughness, and durability. It’s specifically crafted to excel in high-temperature environments, making it perfect for applications that demand both wear and oxidation resistance. Thanks to its high chromium and molybdenum content, Stainless Steel 422 Circles boast exceptional hardness, corrosion resistance, and a long lifespan. These materials are precision-engineered for reliability and find extensive use in industries like power generation, aerospace, petrochemical, and automotive, where components need to endure high stress, pressure, and varying thermal conditions without losing performance.
The primary ingredients of Stainless Steel 422 Circle include iron, chromium (12–14%), molybdenum, and small amounts of carbon, manganese, silicon, and nickel. Its martensitic microstructure boosts hardness and mechanical strength while offering resistance to scaling and oxidation at temperatures up to 1200°F (650°C). Mechanical properties feature a tensile strength of about 850 MPa, yield strength of 550 MPa, and excellent creep resistance at elevated temperatures. Its toughness and wear resistance make it ideal for heavy-duty and thermal applications, while its corrosion resistance guarantees durability in challenging operating environments.
| Specifications : | ASTM A240 / ASME SA 240 |
| Dimensions : | AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, IS & Custom Chemistry |
| Production Route : | Hot Rolled, Cold Rolled |
| Size : | Width from 100mm to 3000mm ; Length from 500mm to 12000mm |
| Thickness : | 0.1mm to 400mm |
| Delivery Condition : | As Rolled, Annealed, Quenched and Tempered, Normalized |
| Surface Finish : | Plain, Brushed, Cladded |
| Cr 11.0 – 12.5% | Mo 0.9 – 1.30% | W 0.9 – 1.30% | Mn 0.50 – 1.0% | Ni 0.50 – 1.0% | |||||
| Si 0.50% Max | V 0.20 – 0.30% | C 0.20 – 0.25% | P 0.025% Max | Fe Balance |
| Property | Minimum | Maximum | |||||||
| Yield Strength Range (Rp0.2 Offset) (ksi) | 97 | 130 | |||||||
| Tensile Strength Range (Rm) (ksi) | 130 | 160 | |||||||
| Elongation (AL=5 x Ø) | 15.0% | 17.0% | |||||||
| Hardness, Rockwell (C) | – | 21 | |||||||
| Modulus of Elasticity (GPa): 76 | |||||||||
| Machineability General Index: – | |||||||||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 422 Circle offers a number of benefits, including excellent oxidation and corrosion resistance, making it ideal for high temperatures and harsh environments Its high strength and durability provide durability, ensuring long-term performance in demanding applications. This alloy exhibits excellent weldability and machinability, making it easy to manufacture. It also demonstrates resistance to fatigue and fatigue, making it suitable for machinery and building materials. Stainless steel 422 is commonly used in the aerospace, automotive, and medical industries due to its versatility and reliability.
Stainless Steel 422 Circles are utilized across various industries due to their blend of high strength and thermal stability. In power plants, they are found in turbine parts, valves, and high-temperature bolting. The aerospace industry uses them for engine components and structural applications where heat and wear resistance are crucial. In the petrochemical sector, they serve in pressure vessels, furnace parts, and processing equipment. The automotive industry incorporates them into exhaust systems and heat-resistant components. Their ability to handle high stress and oxidation makes them a top choice for critical industrial applications.
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