Ragnar Metals and Tubes is a leading SMO 254 Round Bar Manufacturer, Stockist and Exporter in India, supplying premium-quality UNS S31254 Round Bars to customers across the Middle East, Africa, Europe, Southeast Asia and worldwide industrial markets. With decades of experience in specialty stainless steel and high-alloy materials, we provide corrosion-resistant SMO 254 Round Bars for the most demanding industrial applications.
SMO 254 Round Bar, also known as UNS S31254 Round Bar or 6 Moly Super Austenitic Stainless Steel Round Bar, is a high-alloy stainless steel developed for use in highly corrosive environments. The alloy contains high levels of chromium, molybdenum and nitrogen, providing outstanding resistance to pitting corrosion, crevice corrosion, chloride stress corrosion cracking and seawater attack.
As a trusted SMO 254 Round Bar Exporter, Ragnar Metals and Tubes supplies materials to oil & gas projects, desalination plants, offshore platforms, marine facilities, chemical processing plants, power generation facilities and EPC contractors throughout UAE, Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
SMO 254 Round Bar is a super austenitic stainless steel alloy with exceptional corrosion resistance in chloride-rich and aggressive environments. It was specifically developed to outperform conventional stainless steel grades such as 304, 316 and even duplex stainless steels in highly corrosive conditions.
The alloy's high molybdenum and nitrogen content significantly enhance resistance against pitting and crevice corrosion. SMO 254 Round Bars are widely used in seawater handling systems, desalination plants, offshore platforms, chemical processing facilities and marine applications where standard stainless steels may fail.
Due to its superior mechanical strength and corrosion resistance, SMO 254 Round Bar has become one of the preferred materials for critical applications in Middle Eastern oil & gas, petrochemical and marine industries.
| Specification | Details |
|---|---|
| Material Grade | SMO 254 |
| UNS Number | S31254 |
| Werkstoff Number | 1.4547 |
| Standard | ASTM A276 / ASTM A479 |
| Diameter Range | 6 mm to 500 mm |
| Length | 3 Meter, 6 Meter, Custom Length |
| Shape | Round Bar |
| Finish | Bright, Black, Polished, Peeled |
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 19.5 – 20.5 |
| Nickel (Ni) | 17.5 – 18.5 |
| Molybdenum (Mo) | 6.0 – 6.5 |
| Nitrogen (N) | 0.18 – 0.22 |
| Copper (Cu) | 0.50 – 1.00 |
| Manganese (Mn) | 1.00 Max |
| Silicon (Si) | 0.80 Max |
| Carbon (C) | 0.020 Max |
| Phosphorus (P) | 0.030 Max |
| Sulfur (S) | 0.010 Max |
| Iron (Fe) | Balance |
| Property | Value |
|---|---|
| Tensile Strength | 680 MPa Min |
| Yield Strength | 300 MPa Min |
| Elongation | 35% |
| Hardness | 223 HB Max |
| Density | 8.0 g/cm³ |
| Modulus of Elasticity | 195 GPa |
The manufacturing process of SMO 254 Round Bars involves advanced metallurgical techniques to achieve excellent corrosion resistance, dimensional accuracy and mechanical properties.
SMO 254 Round Bars are widely used in offshore platforms, subsea systems, refineries, pipelines and oil exploration equipment due to their outstanding resistance to chloride-containing environments.
Petrochemical plants utilize SMO 254 Round Bars for heat exchangers, reactors, pressure vessels and piping systems exposed to corrosive chemicals.
The alloy's superior resistance to seawater corrosion makes it ideal for desalination plants throughout the Middle East region.
Shipbuilding companies and offshore engineering firms rely on SMO 254 Round Bars for marine structures and seawater handling systems.
Power plants utilize SMO 254 components in cooling systems, condensers and high-performance equipment.
Chemical plants use SMO 254 Round Bars in highly corrosive process environments where conventional stainless steel grades are inadequate.
Water treatment and wastewater facilities benefit from the alloy's excellent corrosion resistance and durability.
Every SMO 254 Round Bar supplied by Ragnar Metals and Tubes undergoes comprehensive testing and inspection procedures.
Mill Test Certificates (MTC EN 10204 3.1), raw material traceability documents and inspection reports are supplied upon request.
Ragnar Metals and Tubes exports SMO 254 Round Bars to major industrial projects across the Middle East region.
SMO 254 Round Bar is a super austenitic stainless steel alloy with high molybdenum and nitrogen content designed for superior corrosion resistance.
The UNS designation of SMO 254 is UNS S31254.
SMO 254 Round Bars are used in oil & gas, desalination, marine, offshore, petrochemical and chemical processing industries.
SMO 254 offers significantly higher resistance to pitting, crevice corrosion and chloride attack than Stainless Steel 316.
Yes, SMO 254 is specifically designed for seawater handling and desalination applications.
Yes, custom diameters and cut lengths are available as per project requirements.
Yes, SGS, TUV, BV, DNV and Lloyd's inspection services are available.
We export to UAE, Saudi Arabia, Oman, Qatar, Kuwait, Bahrain, Egypt, Africa, Europe and worldwide.
