- sales@davidpipes.com
- Canberra, Australia
Home > Duplex Steel > Duplex Steel Instrumentation Tubing
David Pipes and Tubes, located in Canberra, Australia, stands out as a top manufacturer and supplier of Duplex Steel Instrumentation Tubing. They specialize in crafting high-quality stainless steel tubes that are designed to offer exceptional corrosion resistance, mechanical strength, and reliability. These tubes are made with precision, showcasing smooth internal surfaces, consistent wall thickness, and impressive dimensional accuracy. The Duplex Steel Instrumentation Tubing from David Pipes and Tubes is perfect for a variety of applications, including chemical processing, petrochemical industries, offshore oil and gas, power generation, and marine sectors, where resistance to chloride stress corrosion, high mechanical performance, and longevity are crucial.
This tubing is primarily made up of 22% chromium, 5–6% nickel, 3% molybdenum, and 0.14–0.20% nitrogen, which together create a balanced duplex microstructure. This unique composition provides outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking, especially in harsh, chloride-rich environments. The tubing boasts a tensile strength ranging from 620 to 850 MPa, a yield strength of 450 to 550 MPa, and good ductility, ensuring it maintains its structural integrity even under high pressure and temperature.
| 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 | : | Instrumentation |
| 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 |
| 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 Instrumentation 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 Instrumentation 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 Instrumentation Tubing 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 Instrumentation Tubing is commonly utilized in hydraulic and pneumatic instrumentation systems, process control lines, heat exchangers, chemical reactors, and offshore installations. Its blend of high corrosion resistance, mechanical strength, and precise dimensions makes it the go-to choice for industries that need durable, maintenance-free, and high-performance tubing solutions in challenging and corrosive settings.
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