Chuck Metals is a reliable manufacturer and supplier of Stainless Steel 253MA Hex Bars in Singapore, catering to clients throughout Pulau Ujong with top-notch stainless steel solutions. 253MA is a heat-resistant austenitic stainless steel celebrated for its outstanding oxidation resistance, high-temperature strength, and solid structural stability. Produced in line with international standards like ASTM A276, these hex bars boast precise dimensional tolerances and exceptional performance in high-temperature settings, making them a dependable choice for thermal, chemical, and structural applications in demanding industrial sectors.
Typically, Stainless Steel 253MA contains 20–22% chromium, 10–12% nickel, 1.4–2.2% silicon, and small amounts of rare earth metals (REM) to enhance oxidation resistance. This unique composition gives it a tensile strength of about 600–800 MPa and a yield strength of roughly 310 MPa, along with impressive creep strength at temperatures reaching up to 1150°C. The alloy also shows good resistance to carburization and sulphidation, particularly in high-temperature oxidizing environments.
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.
These hex bars are frequently utilized in furnace components, heat exchangers, kilns, radiant tubes, and combustion chambers, where they face extended exposure to extreme heat. You can also find Stainless Steel 253MA hex bars in the petrochemical, cement, and power generation industries. Their remarkable thermal stability, corrosion resistance, and mechanical strength make them perfect for components that need both structural integrity and the ability to withstand high-temperature degradation.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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