- sales@liampipes.us
- Houston , USA
Home > Duplex Steel > Duplex Steel Tubing S31803
Liam Pipes and Tubes is a well-respected manufacturer and supplier of Duplex Steel Tubing S31803, proudly based in Houston, USA. This tubing is celebrated for its impressive corrosion resistance, strength, and durability, making it a top choice for tough environments and demanding industrial applications. At Liam Pipes, you’ll find precision-engineered tubing solutions designed to meet rigorous international standards, ensuring peak performance in sectors like marine, chemical, oil & gas, and power generation. With a strong commitment to quality assurance, timely delivery, and customer satisfaction, Liam Pipes and Tubes has earned a reputation as a reliable partner for high-quality Duplex stainless steel tubing needs.
Duplex Steel Tubing S31803 consists of about 22% chromium, 5–6% nickel, 3% molybdenum, along with a balanced mix of nitrogen, iron, and manganese. This unique dual-phase microstructure combines both austenitic and ferritic properties, offering a yield strength of around 450 MPa and a tensile strength of 620 MPa, with an elongation of roughly 25%. The alloy is known for its excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, while also maintaining good weldability and toughness, even in low temperatures.
| 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 Liam 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.
Liam Pipes and Tubes, one of the largest suppliers of Duplex Steel Tubing S31803 in the Houston s, USA. 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 Liam 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@liampipes.us.
Duplex Steel Tubing S31803 finds its place across various industries that require high strength and corrosion resistance. In the oil and gas sector, it’s commonly used in subsea pipelines, pressure vessels, and offshore platforms. The chemical and petrochemical industries rely on it for heat exchangers, evaporators, and process piping. In marine settings, it’s perfect for seawater handling systems, desalination plants, and ballast water treatment. Power generation facilities utilize this tubing in high-pressure and high-temperature environments. Its robust performance in corrosive conditions makes it an excellent choice for long-lasting, low-maintenance applications.
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