- sales@ojaspipesandtubes.co.in
- Kolkata, Kolkata
Home > Super Duplex Steel > Super Duplex Steel ERW Pipes
Ojas Pipes and Tubes, based in Kolkata, India, stands out as a leading manufacturer and supplier of Super Duplex Steel ERW (Electric Resistance Welded) Pipes. These pipes are celebrated for their remarkable strength, resistance to corrosion, and reliable performance in tough environments. Focusing on high-quality alloy piping solutions, Ojas produces ERW pipes that meet international standards like ASTM A790 and UNS S32750/S32760. Built to endure harsh industrial conditions, they are perfect for marine, chemical, and offshore applications. With state-of-the-art manufacturing facilities, rigorous quality control, and prompt delivery, Ojas Pipes and Tubes has earned a reputation as a trusted provider of Super Duplex ERW piping solutions.
Super Duplex Steel ERW Pipes from Ojas Pipes and Tubes are generally crafted from grades such as UNS S32750 or S32760, boasting a chemical makeup that includes chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen (0.24–0.32%). This unique combination provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. These pipes are known for their impressive mechanical strength, with a tensile strength of around 800 MPa and a yield strength of about 550 MPa. The ERW welding process guarantees consistency, precise dimensional tolerances, and a smooth finish, making them dependable for both structural and pressure-bearing applications.
| Specifications | ASTM A790 / ASME SA790 |
| Sizes | 8″ NB to 24″ NB |
| Wall Thickness | 0.5 to 150mm Thick |
| Schedule | SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
| Length | Single Random, Double Random & Required Length |
| Form | Round, Square, Rectangular, Hydraulic Pipes |
| Type | Electric Resistance Welded |
| End | Plain end, Bevelled end |
| Length | Single Random, Double Random & Cut Length |
| Material | C | N | P | Si | Mn | Mo | Ni | Cr | S | Cu |
| Super Duplex Steel | 0.030 | 0.24/0.32 | 0.035 | 0.80 | 1.20 | 3.0/5.0 | 6.00/8.00 | 24.0/26.0 | 0.020 | 0.50 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | UNS | WERKSTOFF NR. |
| Super Duplex 2507 | S32750 | 1.4410 |
Choosing Super Duplex Steel ERW Pipes from Ojas Pipes and Tubes ensures high quality and durability, as these pipes offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in Super Duplex steel products ensures you receive a top-tier solution tailored to your needs.
Ojas Pipes and Tubes, one of the largest suppliers of Super Duplex Steel ERW Pipes in Kolkata, India, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Super Duplex Steel ERW Pipes to meet your specific requirements. Our team at Ojas Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@ojaspipesandtubes.co.in.
Ojas Pipes and Tubes’ Super Duplex Steel ERW Pipes find extensive use in areas that demand high mechanical strength and exceptional corrosion resistance. They are commonly utilized in offshore oil rigs, chemical processing facilities, desalination plants, marine settings, and the pulp & paper industry. Their outstanding resistance to chloride stress corrosion makes them perfect for seawater piping, fire-fighting systems, and heat exchangers. Moreover, they are well-suited for structural components, bridges, and pressure systems that come into contact with aggressive media.
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