- sales@davidpipes.com
- Canberra, Australia
Home > Duplex Steel > Duplex Steel Seamless Pipe
David Pipes and Tubes, based in Canberra, Australia, stands out as a top-notch manufacturer and supplier of high-quality Duplex Steel Seamless Pipes. These pipes are designed for outstanding performance, merging the robust qualities of ferritic steel with the impressive corrosion resistance of austenitic steel. Crafted to meet international standards, they boast a consistent structure, precise dimensions, and reliability even under high pressure and temperature. David Pipes and Tubes is committed to timely deliveries and maintaining high quality, catering to clients in the oil and gas, chemical, marine, and desalination sectors with durable, high-performance seamless piping solutions that are perfect for critical and structural applications.
Duplex Steel Seamless Pipes are usually produced from grades like 2205 (UNS S31803/S32205) and 2507 (UNS S32750), which contain 22–25% chromium, 4–7% nickel, 3–4% molybdenum, and trace amounts of nitrogen. These pipes deliver impressive tensile strength (620–880 MPa), yield strength (450–650 MPa), and elongation of 25–35%, along with remarkable resistance to pitting, stress corrosion cracking, and chloride-induced corrosion. The duplex microstructure strikes a perfect balance between toughness, strength, and corrosion resistance, making them ideal for demanding industrial settings.
Pipe 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 A790 / ASME SA790
Types : Seamless / Fabricated
| Duplex Steel Seamless Pipes | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| Duplex Steel Seamless Pipes | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 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 Seamless Pipes from David Pipes and Tubes ensures high quality and durability, as these pipes offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.
David Pipes and Tubes, one of the largest suppliers of Duplex Steel Seamless Pipes in Canberra, Australia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Duplex Steel Seamless Pipes to meet your specific requirements. Our team at David Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@davidpipes.com.
You’ll find Duplex Steel Seamless Pipes commonly used in oil and gas pipelines, chemical processing, desalination plants, marine applications, and the pulp and paper industry. They excel in high-pressure systems, effectively managing corrosive fluids and environments susceptible to chloride attack. Their unique blend of mechanical strength and corrosion resistance also makes them a great fit for structural applications and critical piping systems, ensuring long-term reliability, safety, and efficiency in tough industrial conditions.
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