Maduka Metals, a reputable manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality **Stainless Steel 253MA Hex Bars**. These bars are crafted to deliver outstanding strength, resistance to oxidation, and performance at high temperatures, making them perfect for tough industrial settings. By using top-notch raw materials and cutting-edge production techniques, Maduka Metals guarantees precision, durability, and adherence to international standards. Stainless Steel 253MA is known for its remarkable mechanical properties and exceptional resistance to heat, scaling, and creep, which is why it’s a go-to choice for industries that face extreme thermal conditions.
The composition of **Stainless Steel 253MA Hex Bars** primarily includes **iron**, along with **20–22% chromium**, **10–12% nickel**, **0.05–0.10% nitrogen**, and trace amounts of **cerium and silicon** to boost oxidation resistance. This heat-resistant alloy boasts a high **tensile strength of 600–800 MPa**, along with impressive **creep and stress rupture strength**. The blend of nitrogen and rare earth metals enhances both structural stability and oxidation resistance, allowing for continuous use at temperatures reaching **1150°C** while still maintaining toughness and durability.
Specification : EN, DIN, JIS, ASTM, BS, ASME, AISI
Standard Specification : ASTM A276, A479 / ASME SA276, SA479
Size : 15NB to 150NB IN
Diameter : 3.17mm to 350mm diameter
Length : 100 mm to 3000 mm Long & Above
Tolerance : H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished
| Grade | C | Mn | Si | S | N | Cr | Ni |
| 253 MA | 0.05 – 0.1 | 0.8 min | 1.1 – 2.0 | 0.03 min | 0.14 – 0.2 | 20 – 22 | 10 – 12 |
| Element | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 253 MA | 7.8 g/cm3 | Psi – 87,000, MPa – 600 | Psi – 45,000, MPa – 310 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS | EN | SS |
| 253 MA | 1.4835 | S30815 | X9CrNiSiNCe21-11-2 | 2368 |
The pressure rating of Stainless Steel 253Ma Hex Bar depends on the specific application and design parameters, such as temperature and load conditions. It is primarily used for high-temperature applications, with its pressure rating varying based on engineering requirements and specifications.
To choose the right Stainless Steel 253Ma Hex Rods, consider factors like temperature resistance, corrosion exposure, and mechanical strength required for your application. Consult with suppliers or engineers to ensure compatibility with the operating environment and design specifications.
Stainless Steel 253Ma Hex Bar generally offers excellent corrosion resistance due to its high chromium content, reducing the need for additional coatings. However, in highly aggressive environments, extra protective coatings may be beneficial for enhanced longevity.
You’ll find **Stainless Steel 253MA Hex Bars** widely used in **heat exchangers, furnace components, burners, boiler parts, kiln linings, and petrochemical equipment** due to their excellent thermal stability and oxidation resistance. They’re also perfect for **power generation units, cement plants, metallurgical operations, and flue gas systems**, where they regularly face high heat and corrosive gases. These hex bars keep their mechanical integrity and surface stability even after long periods of cyclic heating, making them a dependable material choice for high-temperature and high-stress industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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