Harsh Metalloys stands out as a top manufacturer and supplier of Stainless Steel 253MA Coils, proudly based in Mumbai, India. This particular grade, known as 253MA (UNS S30815), is a high-temperature austenitic stainless steel that excels in oxidation resistance, strength, and long-lasting performance even in elevated temperatures. Harsh Metalloys offers these coils in a variety of sizes, tempers, and finishes, all crafted to meet international standards like ASTM A240. Renowned for their impressive mechanical properties and thermal stability, SS 253MA coils find their place in furnaces, petrochemical processing, power plants, and heat treatment applications, where enduring durability under extreme heat is essential.
Stainless Steel 253MA Coils are crafted with a blend of 20–22% chromium, 10–12% nickel, and crucial trace amounts of cerium (~0.05%) and nitrogen (~0.15%) to enhance oxidation resistance and creep strength. These coils boast a tensile strength of about 600 MPa and a yield strength of 310 MPa, capable of enduring oxidizing environments up to 1150°C (2100°F). Additionally, SS 253MA is known for its good weldability, formability, and resistance to carburization, making it a perfect fit for thermal processing settings where both mechanical strength and heat resistance are vital.
| Specifications | ASTM A240, ASME SA240 |
| Dimensional specification | JIS, AISI, ASTM, GB, DIN, EN, etc |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc/td> |
| Thickness | 0.3 mm to 120 mm |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| Surface Finishing | Hot rolled plate (HR), Cold rolled sheet (CR),2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc. |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Outside Finish | Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Packing | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests |
| Specials | Sizes and Specifications other than above can be on request |
| Grade | C | Mn | Si | S | Fe | Ni | Cr | P | Ce |
| Stainless Steel 253MA | 0.05-0.10 max | 0.80 max | 1.40-2.00 | 0.030 max | Balance | 10.0-12.0 | 20.0-22.0 | 0.040 max | 0.03-0.08 |
| Elongation | Density | Yield Strength (0.2%Offset) | Tensile Strength | Melting Point |
| 40 % | 8 g/cm3 | Psi – 45,000 | Psi – 87,000 | 1371-1432 ‘C |
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ASTM A240 253 MA hot rolled strip coil offers high-temperature strength and oxidation resistance, ideal for furnace components, kilns, and petrochemical industries, ensuring durability and performance up to 1150°C.
Stainless Steel 253 MA hot rolled strip coils provide high-temperature strength and oxidation resistance, ideal for furnace components, kilns, and petrochemical applications, ensuring durability and reliability up to 1150°C.
Stainless Steel 253MA Coils are widely utilized in high-temperature industrial settings, such as heat exchangers, furnace parts, radiant tubes, burner assemblies, and kiln linings. Thanks to their excellent resistance to oxidation and thermal fatigue, they’re perfect for applications in petrochemical plants, cement production facilities, incinerators, and power generation systems. These coils also excel in combustion chambers, flue gas systems, and heat treatment lines. Compared to nickel-based alloys, SS 253MA coils offer a more cost-effective option for long-term use in oxidizing and sulfur-rich environments, ensuring reliability, low maintenance, and structural integrity even in tough operating conditions.
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