Sadiki Metals, located in Kinshasa, Congo, has built a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel products, including Stainless Steel 253MA Hex Bars. These hex bars are celebrated for their outstanding heat and corrosion resistance, specifically designed for high-temperature industrial applications. The unique blend of durability, strength, and oxidation resistance in Stainless Steel 253MA makes it perfect for critical components that face thermal cycling and harsh environments. At Sadiki Metals, every hex bar is crafted to meet rigorous quality and international standards, ensuring dependable mechanical performance and longevity for industries that require premium stainless steel solutions.
Stainless Steel 253MA Hex Bars are made from an austenitic stainless steel alloy that includes about 22% chromium, 14% nickel, and 0.5% molybdenum, all stabilized with nitrogen. This specific composition boosts high-temperature oxidation resistance and delivers impressive creep strength. The material showcases a tensile strength ranging from approximately 600 to 800 MPa and a yield strength between 205 and 275 MPa, with elongation surpassing 40%. It retains its dimensional stability and mechanical properties even at elevated temperatures, providing exceptional resistance to scaling, thermal fatigue, and stress corrosion cracking in demanding industrial settings.
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.
Stainless Steel 253MA Hex Bars find extensive use in industries that require remarkable high-temperature performance and corrosion resistance. Typical applications include components for furnaces, heat exchangers, kiln parts, gas turbines, petrochemical equipment, and power generation systems. They are also utilized in aerospace, chemical processing, and industrial machinery where thermal cycling and oxidative conditions are prevalent. The alloy’s unique combination of high creep strength, oxidation resistance, and mechanical stability makes it a go-to choice for these challenging environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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