- sales@davidpipes.com
- Canberra, Australia
Home > Duplex Steel > Duplex Steel Tubing S31803
David Pipes and Tubes, located in Canberra, Australia, stands out as a top manufacturer and supplier of Duplex Steel Tubing S31803. These high-performance stainless steel tubes are designed for exceptional strength, corrosion resistance, and durability. Crafted with precision, they boast smooth internal surfaces, consistent wall thickness, and impressive dimensional accuracy. The Duplex Steel Tubing S31803 from David Pipes and Tubes is perfect for a variety of applications, including chemical processing, petrochemical industries, oil and gas, desalination plants, and marine environments, where long-lasting reliability and resistance to chloride stress corrosion are crucial.
This tubing is made up of about 22% chromium, 5–6% nickel, 3% molybdenum, and 0.14–0.20% nitrogen. This well-balanced composition ensures outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, while also providing high mechanical strength, with a tensile strength ranging from 620 to 850 MPa and a yield strength between 450 and 550 MPa. Additionally, the tubing offers good ductility and thermal stability, making it reliable even in tough 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 David 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.
David Pipes and Tubes, one of the largest suppliers of Duplex Steel Tubing S31803 in the Canberras, Australia. 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 David 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@davidpipes.com.
Duplex Steel Tubing S31803 is commonly found in heat exchangers, process piping, offshore oil and gas installations, desalination plants, and chemical reactors. Its unique blend of high corrosion resistance, mechanical strength, and long-lasting durability makes it the go-to choice for industries that need robust, low-maintenance, and high-performance tubing solutions in challenging environments.
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