Harsh Metalloys stands out as a leading manufacturer and supplier of Stainless Steel 253MA Bars, proudly based in Mumbai, India. This particular grade, known as 253MA (UNS S30815), is a high-temperature austenitic stainless steel crafted for exceptional strength and oxidation resistance, even in the most extreme conditions. Our bars are produced in line with international standards like ASTM A276, ensuring they deliver reliability and top-notch performance. Thanks to their impressive mechanical strength and thermal stability, SS 253MA bars find extensive use in furnace components, heat exchangers, kilns, and petrochemical processing equipment. At Harsh Metalloys, we provide these bars in a variety of shapes and sizes to cater to the rigorous demands of high-temperature industrial applications.
When it comes to composition and mechanical properties, Stainless Steel 253MA Bars generally consist of 20–22% chromium and 10–12% nickel, with small additions of cerium (~0.05%) and nitrogen (~0.15%) that greatly improve high-temperature performance. These bars boast a tensile strength of about 600 MPa and a yield strength of roughly 310 MPa, along with excellent creep resistance at temperatures soaring up to 1150°C (2100°F). The alloy is highly resistant to oxidation, carburization, and sulfidation, making it perfect for environments with thermal cycling. Plus, it offers good weldability and machinability, making fabrication and installation in critical industrial systems a breeze.
| 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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We ensures the highest quality standards for Stainless Steel 253MA Bars through rigorous testing and certification. Each batch undergoes comprehensive tests, including mechanical, chemical, and dimensional assessments. Certified by leading industry bodies, their products meet global quality norms, ensuring reliability, performance, and compliance with international specifications.
253Ma round bars provide exceptional high-temperature strength and oxidation resistance, ideal for use in furnace components, petrochemical industries, and high-temperature applications requiring durability and performance.
253Ma flat bars are designed for high-temperature and corrosive environments, used in furnace components and petrochemical industries, offering superior strength, oxidation resistance, and long-lasting performance.
253Ma square bars are suitable for high-temperature applications, providing excellent strength and resistance to oxidation, making them ideal for use in industrial equipment and high-stress environments.
253Ma rectangular bars offer high-temperature strength and oxidation resistance, used in furnace components and industrial applications, ensuring durability and performance in extreme environments.
253Ma hexagonal bars deliver outstanding strength and oxidation resistance at high temperatures, perfect for use in industrial machinery, furnace components, and applications requiring durability in harsh conditions.
253Ma T-bars provide 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 widely utilized in various applications like furnace fixtures, recuperators, burner nozzles, heat treatment equipment, and flue gas handling systems, thanks to their outstanding performance in high-temperature environments. They’re also a great fit for refineries, power plants, incinerators, and cement manufacturing, where components need to endure extreme heat and corrosive gases. These bars are perfect for structural supports, frames, and load-bearing parts in areas exposed to high temperatures. Their remarkable ability to resist thermal fatigue, oxidation, and mechanical deformation during continuous heating makes them a top choice for challenging industrial and metallurgical tasks.
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