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Home > Duplex Steel > Duplex Steel Tubing S31803
Irfan Pipes and Tubes, located in Istanbul, Turkey, stands out as a top manufacturer and supplier, specializing in high-quality Duplex Steel Tubing S31803. Known for its precision engineering and strong production methods, the company offers products that adhere to international standards, ensuring they are both reliable and durable. With a keen emphasis on client satisfaction, Irfan Pipes and Tubes caters to a wide array of industries, delivering tailored solutions for both local and global markets. Their deep expertise in stainless steel fabrication, paired with cutting-edge technology and rigorous quality control, makes them a trusted ally for projects that demand corrosion-resistant and high-strength tubing.
Duplex Steel Tubing S31803 features a well-balanced microstructure of austenite and ferrite, typically comprising 22% chromium, 5–6% nickel, 3% molybdenum, and trace amounts of nitrogen. This distinctive blend offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, all while maintaining impressive mechanical strength. With a yield strength ranging from 450 to 550 MPa and a tensile strength between 620 and 780 MPa, it outperforms standard austenitic stainless steels. The combination of toughness, ductility, and corrosion resistance makes S31803 tubing exceptionally durable, perfect for challenging environments, and capable of enduring high pressure, thermal stress, and aggressive chemical conditions.
| Standard | : | ASTM A790 / ASME SA790 UNS S31803, S32205, S32550, S32750, S32760 |
| Materials | : | ASTM A815 – UNS S31803 |
| Size | : | 1/2″NB TO 12 “NB IN |
| Seamless Pipes & Tubes Sizes | : | 1/2” NB – 8” NB |
| Welded Pipes & Tubes Sizes | : | 6” NB – 24” NB |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | : | Welded / Fabricated / Seamless |
| Length | : | Single Random, Double Random & Cut Length. |
| Thickness | : | 0.5-45mm |
| Outer Diameter | : | 6.0-630mm |
| Dimensions | : | OD(6.0-630)*WT(0.5-45)mm |
| Duplex Steel | Ni | Fe | C | Mn | Si | Mo | Cr | P | S |
| Bal | 0.03 | 1.o | 3.0 – 3.5 | 2.0 | 22.0 – 23.0 | 4.5 – 6.5 | 0.02 | 0.14 – 0.2 |
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex Steel | S31803 | 1.4462 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Duplex Steel Tubing S31803 from Irfan Pipes and Tubes ensures superior quality and durability, offering outstanding corrosion resistance and high strength. Our dedication to delivering exceptional service and reliable products guarantees customer satisfaction across a wide range of industrial applications. With our expertise in Duplex steel solutions, you can trust us to provide a top-tier, customized piping solution that meets your specific requirements.
Irfan Pipes and Tubes, one of the largest suppliers of Duplex Steel Tubing S31803 in the Istanbuls, Turkey. 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 Duplex steel products in the region, delivering reliable solutions to meet diverse project requirements.
Yes, we provide custom sizes for Duplex Steel Tubing S31803 to meet your specific requirements. At Irfan 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@irfanpipes.com.
Duplex Steel Tubing S31803 is widely utilized in the oil and gas, chemical processing, petrochemical, and marine sectors due to its outstanding corrosion resistance and mechanical strength. It’s commonly found in heat exchangers, pressure vessels, pipelines, and structural components where strength and durability are paramount. This tubing is also well-suited for desalination plants, pulp and paper processing, and offshore platforms, offering a long service life even in harsh environmental conditions. Moreover, its resistance to chloride-induced stress corrosion cracking makes it an excellent choice for demanding applications.
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