- sales@mariapipes.com
- Kuala lumpur, Malaysia
Home > Super Duplex Steel > Super Duplex Steel EFW Pipes
Maria Pipes and Tubes, based in Kuala Lumpur, Malaysia, stands out as a reliable manufacturer and supplier of **Super Duplex Steel EFW Pipes** (Electric Fusion Welded Pipes). These pipes are designed to be tough and resistant to corrosion, making them perfect for critical industrial applications. With cutting-edge welding technology and rigorous quality control, Maria Pipes and Tubes ensures that their products perform exceptionally well in highly corrosive and high-pressure environments. Their Super Duplex EFW pipes are utilized across various industries, including offshore oil & gas, petrochemicals, marine, power generation, and chemical processing.
Super duplex steel EFW pipes contain approximately 25% chromium, 7% nickel, 3% molybdenum, and low carbon, and provide excellent corrosion resistance, especially in high chloride environments these pipes have good mechanical properties. Such as about 800 MPa tensile strength, 550 MPa yield strength, good and elongation. Which increase their durability Advantages of super duplex steel EFW pipes include high resistance to pitting and cracking, good strength, good stress resistance to cracking, durability under extreme conditions, reduced maintenance costs and increased performance in demanding applications.
| 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 % |
Crafted from high-quality grades like UNS S32750 and S32760, **Super Duplex Steel EFW Pipes** boast a well-balanced austenitic-ferritic microstructure. This unique composition grants them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides—outperforming traditional stainless steels by a long shot. The EFW manufacturing process not only guarantees strong and consistent welds but also allows for the production of large-diameter pipes, making them ideal for transporting aggressive fluids in high-stress systems. Additionally, they exhibit outstanding mechanical properties, including high tensile strength and excellent fatigue resistance.
Maria Pipes and Tubes, one of the largest suppliers of Super Duplex Steel EFW Pipes in the Kuala lumpurs, Malaysia, 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.
Yes, we provide custom sizes for Super Duplex Steel EFW Pipes to meet your specific requirements. At Maria Pipes and Tubes, our team is dedicated to delivering tailored solutions for all your piping and tubing needs. For more information, please contact us at sales@mariapipes.com.
These pipes find extensive use in offshore platforms, subsea piping systems, desalination plants, chemical injection lines, and heat exchangers, where reliable long-term performance in harsh conditions is essential. The combination of their corrosion resistance, strength, and weld integrity makes Super Duplex EFW pipes the go-to choice for demanding applications. Their dependability and extended service life also lead to lower maintenance costs and enhanced operational efficiency in complex industrial systems.
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