Adinox Overseas is a globally recognized manufacturer and supplier of premium-grade SMO 254 Round Bars, known for their exceptional corrosion resistance, durability, and performance in aggressive industrial environments. Manufactured as per the international ASTM A276 standard and designated with the UNS S31254 grade, these round bars are specifically engineered to withstand extreme chemical, marine, and chloride-rich conditions, making them ideal for use in offshore platforms, desalination plants, pulp and paper industries, and chemical processing units.
The SMO 254 (UNS S31254) alloy is a high-alloy austenitic stainless steel with excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. It offers a higher level of molybdenum (6%) and nitrogen content which significantly improves its mechanical and corrosion-resistant properties, especially when compared to conventional stainless steels like 316L or 904L. Our SMO 254 Round Bars are known for their high impact toughness and strong mechanical strength, even at cryogenic temperatures.
At Adinox Overseas, our manufacturing process is closely monitored to meet the stringent requirements of ASTM A276 specifications. We ensure precision in dimensions, surface finish, and mechanical integrity, which makes our round bars reliable for fabrication, machining, and welding purposes. These round bars are available in a wide range of sizes and custom lengths to suit specific project needs. We serve diverse industries including chemical equipment manufacturing, power generation, food processing, marine engineering, and petrochemical plants.
Whether customized dimensions or prompt delivery, Adinox Overseas will leave no stone unturned to deliver a solution according to your project requirements. We ensure with innovation and precision as the guiding force that each product manufactured at Adinox Overseas exceeds customer expectations. Count on us for SMO 254 Round Bars that assure superior quality, reliability, and performance in the most demanding applications.
| Specification | ASTM A276, ASME SA276 |
|---|---|
| Size | 14mm - 300mm |
| Diameter | 5mm – 500mm |
| Form | Round, Hex (A/F), Hollow, Rectangle, Flat |
| Finishing | Bright, Polish, Bright, Black |
| Length | 100 mm to 6000 mm |
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ce | Fe | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SS 254 SMO | min. | - | 17.5 | - | 0.18 | - | - | - | 19.5 | 0.03 | Balance |
| max. | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 | ||
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 254 SMO | 650 | 35 | 300 | 50 | 270 |
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