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Home > Duplex Steel > Duplex Steel Seamless Pipe
High-performance Duplex Steel Seamless Pipes from Vipul Pipes and Tubes, a top manufacturer and supplier in Chennai, India, are ideal for applications requiring remarkable strength and resistance to corrosion. UNS S32205 (Duplex 2205) and S31803 are examples of duplex stainless steels that combine the best qualities of both ferrite and austenite in a balanced microstructure. These seamless pipes offer outstanding performance in aggressive and chloride-rich environments, exceptional mechanical strength, and resistance to stress corrosion cracking. Our duplex seamless pipes, which are made in accordance with international standards like ASTM A790, are perfect for structural, petrochemical, oil and gas, and marine applications.
Chromium (≈22%), Nickel (≈5–6%), Molybdenum (≈3%), Nitrogen (≈0.14–0.20%), and Iron (balance) are the usual elements found in duplex steel seamless pipes. The pipes’ exceptional resistance to pitting, crevice corrosion, and stress corrosion caused by chloride is a result of their composition. Mechanical characteristics include a yield strength of approximately 450 MPa and a tensile strength of approximately 620 MPa, which is about twice that of typical austenitic stainless steels. High-performance applications in corrosive and high-pressure environments are best suited for seamless construction, which guarantees uniformity, improved pressure handling, and enhanced corrosion resistance throughout the pipe body.
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 Vipul 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.
Vipul Pipes and Tubes, one of the largest suppliers of Duplex Steel Seamless Pipes in Chennai, India, 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 Vipul Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@vipulpipesandtubes.co.in.
Many industries that demand both high mechanical strength and corrosion resistance use duplex steel seamless pipes. Heat exchangers, chemical processing systems, desalination plants, marine pipelines, pulp and paper industry equipment, and offshore oil and gas platforms are a few examples of applications. These pipes work particularly well in settings where standard stainless steels might not hold up against aggressive chemicals, chlorides, and acidic solutions. Duplex seamless pipes provide a long service life, low maintenance, and economical performance in crucial and high-risk industrial operations. They are also utilized in structural components, pressure vessels, and firefighting systems.
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