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Home > Super Duplex Steel > Super Duplex Steel EFW Pipes
Laila Pipes and Tubes, based in Muscat, Oman, stands out as a top manufacturer and supplier of high-quality Super Duplex Steel EFW Pipes. With a strong commitment to quality, precision engineering, and adherence to international standards, the company produces pipes that are built to endure extreme operating conditions. These Super Duplex Steel EFW Pipes are crafted using the electric fusion welding process, which guarantees excellent weld integrity, a uniform structure, and long-lasting reliability. They boast remarkable strength and exceptional resistance to corrosion, making them ideal for critical applications in the oil and gas, chemical processing, marine, and offshore sectors throughout Oman and the Gulf region.
Super Duplex Steel EFW Pipes are made up of about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen, giving them remarkable corrosion resistance in chloride-heavy environments. Their ferritic-austenitic structure provides high strength and toughness, with tensile strength ranging from 750 to 1000 MPa and yield strength around 550 MPa. These pipes excel in resisting erosion, fatigue, and stress corrosion cracking while still being easy to weld. The EFW manufacturing process guarantees smooth inner surfaces, robust weld joints, and precise dimensions, making these pipes incredibly reliable for high-pressure and high-temperature applications in demanding industrial settings.
| C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24 – 26 | 3 – 5 | 6 – 8 | 0.24 – 0.32 | 58.095 min |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
These pipes are made from high-alloyed steels that contain around 25% chromium, 7% nickel, 3–4% molybdenum, and nitrogen. This carefully balanced duplex microstructure of austenite and ferrite delivers outstanding mechanical strength, high yield properties, and excellent resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. The EFW process ensures consistent weld quality and precise dimensions, allowing the pipes to perform reliably under high pressure and in challenging environments.
Laila Pipes and Tubes, one of the largest suppliers of Super Duplex Steel EFW Pipes in the Muscats, OMAN, offers a wide range of high-quality pipes and tubes designed for various industrial applications. Their extensive inventory and dedication to exceptional service make them a trusted choice for Super Duplex steel products in the region, delivering reliable solutions to meet diverse project requirements.
Super Duplex Steel EFW Pipes are extensively utilized in industries that require both high strength and superior corrosion resistance. Common applications include oil and gas pipelines, offshore platforms, chemical and petrochemical processing plants, seawater desalination systems, marine structures, and power generation facilities. Their ability to endure harsh conditions, along with their long service life and structural reliability, makes Super Duplex Steel EFW Pipes the go-to choice for demanding industrial and infrastructure projects.
Super Duplex Steel EFW Pipes find extensive use in industries that demand strength and corrosion resistance in tough conditions. In the oil & gas industry, they are crucial for offshore pipelines, subsea systems, and refining processes. Petrochemical and chemical plants rely on them for transporting corrosive fluids, heat exchangers, and process piping. Their ability to withstand seawater makes them vital in desalination plants, marine engineering, and shipbuilding. In the power generation sector, these pipes are essential for various applications, ensuring efficiency and reliability in challenging environments.
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