Weston Stainless, Midland, UK, is a reliable stainless steel products supplier of high quality, catering to industries like construction, aerospace, and manufacturing. Among its superior products, Stainless Steel 253Ma Bars stand out for their superior high-temperature strength and oxidation resistance. Produced in Grade 253Ma, these bars come in multiple shapes, ranging from round and square to hexagonal and flat bars, addressing various industrial applications. Produced using heat-resistant austenitic stainless steel, 253Ma bars have chromium, nickel, silicon, and nitrogen, which result in superior mechanical performance and endurance, making them suitable for furnace components, heat exchangers, and structural applications with high stress.
Stainless Steel 253Ma Bars contain Chromium (20-22%), Nickel (10-12%), Silicon (1.4-2%), Nitrogen (0.14-0.2%), Carbon (0.05-0.10%), and traces of Cerium for superior oxidation resistance. Their mechanical characteristics are a tensile strength of ≥600 MPa, yield strength of ≥310 MPa, and elongation of ≥40%, with superior endurance in high-temperature conditions. The physical characteristics are a density of 7.8 g/cm³, thermal conductivity of 15 W/m·K, and a melting point of around 1420°C. These characteristics make 253Ma bars suitable for applications involving extreme heat that demand high strength and resistance to oxidation.
| Specifications | ASTM A276 / ASME SA276 & ASTM A479 / ASME SA276 |
| Range | 3.17 MM TO 350 MM DIA |
| Dia Meter | 25mm to 152mm |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finish | Bright, Polish & Black |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging etc |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Grade | C | Mn | Si | S | P | Ni | Cr | Fe | Ce | N |
| 253 MA | 0.05 – 0.1 | 0.8 max | 2.0 max | 2.0 max | 0.04 max | 10.0 – 12.0 | 20.0 – 22.0 | Bal | 0.03 – 0.08 | 0.14 – 0.20 |
| Element | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 253 MA | 7.8 g/cm3 | 600 MPa | 310 MPa | 40 % |
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Stainless Steel 253Ma Bars are extensively employed in high-temperature applications because of their superior oxidation resistance and mechanical strength. They are typically used in furnace parts, heat exchangers, kiln linings, and boiler components. They are also suitable for petrochemical, power generation, and cement industries, where extreme heat resistance is required. Their higher strength makes them ideal for burner nozzles, structural frameworks, and refinery equipment. With superior weldability and resistance to corrosion, 253Ma bars are absolutely critical for the applications that subject them to excessive thermal stress, hostile environments, and harsh industrial conditions demanding integrity and dependability.
High-temperature strength and oxidation resistance, ideal for use in furnace components, petrochemical industries, and high-temperature applications requiring durability and performance.
High-temperature and corrosive environments, used in furnace components and petrochemical industries, offering superior strength, oxidation resistance, and long-lasting performance.
High-temperature applications, providing excellent strength and resistance to oxidation, making them ideal for use in industrial equipment and high-stress environments.
High-temperature strength and oxidation resistance, used in furnace components and industrial applications, ensuring durability and performance in extreme environments.
Outstanding strength and oxidation resistance at high temperatures, perfect for use in industrial machinery, furnace components, and applications requiring durability in harsh conditions.
Excellent performance in high-temperature environments, used for structural support and components in industrial applications, offering superior strength, oxidation resistance, and reliability.
Stainless Steel 253Ma Bars are shipped with necessary test certificates, such as Mill Test Certificates (MTC) and third-party inspection reports, and are available to meet the ASTM/ASME standards to guarantee high quality and reliability. They are also packaged safely in wooden crates, pallets, or moisture-free wrapping to minimize damage during shipment. With prompt logistics and shipping capabilities across the globe, they are shipped securely and timely to domestic and global markets, while maintaining product integrity and customer satisfaction.
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