- sales@tunpipes.com
- Naypyidaw, Myanmar
Home > Duplex Steel > Duplex Steel Coil Tubing
Nestled in the industrial landscape of Naypyidaw, Tun Pipes stands as a dedicated manufacturer and supplier, bringing precision and reliability to Myanmar’s growing sectors. We specialize in producing high-grade Duplex Steel Coil Tubing, a robust solution engineered to meet the demanding challenges of modern industry. Our commitment is to provide local enterprises with premium materials that not only meet but exceed expectations, empowering progress right here at home.
Our Duplex Steel Coil Tubing is crafted from a special alloy primarily composed of chromium, molybdenum, and nitrogen. This unique composition bestows an excellent combination of high strength and impressive resistance to corrosion, particularly against stress corrosion cracking. The material is notably tough and durable, offering a distinct advantage over conventional stainless steels, which allows for lighter wall thicknesses without sacrificing performance in demanding 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 Tun 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.
Tun Pipes and Tubes, one of the largest suppliers of Duplex Steel Coil Tubing in the Naypyidaws, Myanmar. 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 Tun 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@tunpipes.com.
This type of tubing is extensively utilized in industries where corrosion resistance, mechanical strength, and flexibility are essential. In the oil and gas sector, it finds applications in flexible process lines, offshore platforms, and instrumentation systems. Chemical and petrochemical plants rely on it for transporting aggressive fluids and acids in space-efficient layouts. Power generation facilities use it in boilers, heat exchangers, and condensers. Moreover, it plays a crucial role in marine engineering, desalination plants, and various industrial process systems, providing efficient, space-saving piping solutions. Its combination of durability and corrosion resistance makes it a top choice for these demanding environments.
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