- sales@davidpipes.com
- Canberra, Australia
Home > Duplex Steel > Duplex Steel Seamless Tubing
David Pipes and Tubes, located in Canberra, Australia, has earned a solid reputation as a reliable manufacturer and supplier of Duplex Steel Seamless Tubing. They specialize in crafting top-notch stainless steel tubes that are designed to deliver high strength, excellent corrosion resistance, and dependable performance in tough industrial settings. Using cutting-edge seamless technology, these tubes boast smooth internal surfaces, consistent wall thickness, and precise dimensions. The Duplex Steel Seamless Tubing from David Pipes and Tubes is perfect for various applications, including chemical processing, petrochemical industries, offshore oil and gas, desalination, and marine sectors, where long-lasting durability and resistance to chloride stress corrosion are essential.
This tubing is primarily made up of 22% chromium, 5–6% nickel, 3% molybdenum, and 0.14–0.20% nitrogen. This unique blend gives it outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking, especially in chloride-rich and corrosive environments. With a tensile strength ranging from 620 to 850 MPa and a yield strength of 450 to 550 MPa, it also maintains good ductility, ensuring mechanical integrity even under high-pressure and high-temperature conditions. Its seamless design guarantees leak-proof performance and long-lasting durability in critical applications.
tube Range : 1 / 2″ NB – 8″ NB
Outer Diameter : 6.0-630mm
Wall Thickness : 0.3mm – 50 mm
Schedules : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Length : Single Random, Double Random & Required Length
Specifications : ASTM A789 / ASME SA789
Types : Seamless
| Duplex | Seamless |
|---|---|
| Ni | 4.50 – 6.50 |
| Fe | 63.72 min |
| Cr | 22.0 – 23.0 |
| C | 0.030 max |
| Si | 1.00 max |
| Mn | 2.00 max |
| P | 0.030 max |
| S | 0.020 max |
| N | 0.14 – 0.20 |
| Duplex Steel | Seamless |
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669; |
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 Seamless Tubes 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 Seamless Tubing 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 Seamless Tubes 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 Seamless Tubing finds its place in heat exchangers, process piping, chemical reactors, offshore oil and gas facilities, and desalination plants. Its remarkable combination of high corrosion resistance, mechanical strength, and reliability makes it the go-to choice for industries that need robust, maintenance-free, and high-performance tubing solutions in challenging environments.
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