- sales@rithavpipesandtubes.co.in
- Delhi, India
Home > Duplex Steel > Duplex Steel Coil Tubing
Rithav Pipes and Tubes, located in Delhi, India, has built a solid reputation as a top-notch manufacturer and supplier of high-quality Duplex Steel Coil Tubing. Known for their unwavering dedication to quality and precision, Rithav provides coil tubing solutions that boast impressive corrosion resistance, remarkable strength, and outstanding fatigue performance. Crafted with cutting-edge technology and rigorous quality control, their Duplex Steel Coil Tubing is perfect for critical and high-pressure applications. Catering to sectors like oil & gas, chemical processing, and marine, Rithav Pipes and Tubes guarantees reliable, durable, and cost-effective tubing solutions designed to meet global performance standards.
Duplex Steel Coil Tubing features a well-balanced microstructure of austenite and ferrite, typically comprising about 22–25% chromium, 4–7% nickel, 3% molybdenum, and nitrogen. This unique blend provides exceptional mechanical strength, with tensile strength ranging from 620–850 MPa and yield strength around 450 MPa. The tubing is highly resistant to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich and high-pressure settings. Its distinctive dual-phase structure combines high strength, corrosion resistance, and good weldability, making it an excellent choice for challenging service conditions.
| Specifications | ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789 |
| Standard | ASTM, ASME and API |
| Coil Tubes Sizes | 1 / 2″ NB – 8″ NB |
| Duplex Tubes Sizes | 6″ NB – 24″ NB |
| Outer Diameter | 6.0-630mm |
| Thickness | 0.3mm – 50 mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Types | Heat Exchanger/ Instrumentation/ Precision Tubing/ Long Coiled Tubing/ Multi-core Coiled |
| Duplex | Coiled |
|---|---|
| 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 |
| Grade | S31803 |
| 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 Coil Tubing from Rithav 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.
Rithav Pipes and Tubes, one of the largest suppliers of Duplex Steel Coil Tubing in the Delhis, India. 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 Coil Tubing to meet your specific requirements. At Rithav 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@rithavpipesandtubes.co.in.
You’ll find Duplex Steel Coil Tubing widely used in offshore oil and gas exploration, chemical processing, marine applications, and heat exchanger systems, thanks to its superb mechanical properties and corrosion resistance. It’s particularly suited for hydraulic and instrumentation lines in both subsea and topside installations, where compact coiled configurations are essential. Additionally, the tubing is utilized in power plants and desalination systems, delivering reliable performance in harsh environments. With its impressive strength-to-weight ratio, long service life, and resistance to cracking under pressure, Duplex Steel Coil Tubing stands out as a preferred option for demanding industrial applications.
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