Adinox Overseas is one of the major manufacturers, suppliers, and exporters of high quality 253 MA [S30815] Round Bars which is renowned to contain best corrosion resistance and strength in harsh environments. These high strength alloy bars are produced around the global industrial standards that are branded under a nomenclature of UNS N08028 and comply with the ASTM B473 standards.
The round bars are commonly labeled as Alloy 28 by its standard name among the industry people in different countries but universally recognized by its universal standard name as Alloy 28 which is a highly superior steel i.e. a superior austenitic metallic stainless steel grade in the industry that is highly demanded in the various industries that have to deal with extreme conditions i.e. extreme resistance to acidity and chloride rich conditions.
A multipurpose stainless steel is Sanicro 28, which contains a balanced chemical ratio of nickel, chromium, and molybdenum that provide a good structure with the presence of copper that gives it its capability to withstand sulfuric and phosphoric acids. The ASTM B473 253 MA [S30815] Round Bars available at Adinox Overseas have a reputation of being an excellent mechanical strength, excellent pitting and crevice corrosion resistant as well as high thermal stability. The bars are efficient in the use cases such as chemical processing, seawater equipment, pulp and paper industry, nuclear power, and heat exchangers.
The UNS N08028 Round Bars are particularly preferred during the downhole production tubing, oil and gas piping systems, as well as the desalination plants where other products might fail because of exceedingly harsh conditions of corrosiveness merely. Adinox Overseas also makes sure that every round bar under the scrutiny of a quality checking and testing process like ultrasonic testing, PMI testing, and third party-testing processes before being shipped to our clients worldwide.
| 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, H13, K9, 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 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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