- sales@corazonpipes.com
- Manila, Philippines
Home > Super Duplex Steel > Super Duplex Steel Boiler Tubing
Corazon Pipes and Tubes is a trusted manufacturer and supplier of Super Duplex Steel Coil Tubing, proudly based in Manila, Philippines. They specialize in providing high-strength, corrosion-resistant tubing designed for demanding continuous-length applications. Their S32750/S32760 super duplex coil tubing is crafted with precise tolerances, a superb surface finish, and remarkable mechanical integrity, ensuring reliable performance even under high pressure and in corrosive environments. With exceptional resistance to chlorides, seawater, and harsh chemicals, this tubing is perfect for offshore, petrochemical, and industrial systems. Corazon Pipes and Tubes follows strict global standards, delivering durable, cost-effective, and long-lasting coil tubing solutions for critical operations.
Super Duplex Steel Coil Tubing typically consists of around 25% chromium, 7% nickel, 4% molybdenum, and a touch of nitrogen, resulting in a duplex microstructure that merges ferritic and austenitic phases. This unique composition offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich and acidic environments. On the mechanical side, super duplex coil tubing boasts incredibly high tensile and yield strength, excellent fatigue performance, strong impact toughness, and stability at elevated pressures and temperatures. These characteristics make it a reliable choice for long, continuous service in tough conditions where both strength and corrosion resistance are essential.
| Specifications | ASTM A789 ASME SA789 |
| Dimensions | ASTM, ASME and API |
| Tube Size | 1/2″NB TO 12 “NB IN |
| Specialized in | Large Diameter Size |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | Fire Boiler Tubing/ Hot Rolled Boiler Tube/ Heat Expansion Boiler Tube/ IBR Seamless Boiler Tubes |
| Material | Super Duplex Steel |
|---|---|
| Carbon (C) Max. | 0.030 |
| Manganese (Mn) Max. | 1.20 |
| Phosphorous (P) Max. | 0.035 |
| Sulphur (S) Max. | 0.020 |
| Silicon (Si) Max. | 0.80 |
| Chromium (Cr) | 24.0–26.0 |
| Nickel (Ni) | 6.0–8.0 |
| Molybdenum (Mo) | 3.0–5.0 |
| Nitrogen (N) | 0.24–0.32 |
| Iron (Fe) | Bal. |
| Copper (Cu) | 0.50 |
| Other Elements | — |
| Tensile Strength | Yield Strength | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
| Super Duplex | – | A789, A790 | 100,000 | 690 | 100 | 70,000 | 485 | 70 | 20 | — | 30.5 Rc | — | — | — |
| Super Duplex | – | A789, A790 | 116,000 | 800 | 116 | 80,000 | 550 | 80 | 15 | — | 32 Rc | 27.5 | 7.2 | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Super Duplex Steel Boiler Tubing from Corazon 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.
Corazon Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Boiler Tubing in the Manilas, Philippines. 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 Super Duplex steel products in the region, delivering reliable solutions to meet diverse project requirements.
Yes, we provide custom sizes for Super Duplex Steel Boiler Tubing to meet your specific requirements. At Corazon 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@corazonpipes.com.
Super Duplex Steel Coil Tubing finds its place in various industries that demand continuous, high-pressure, and corrosion-resistant tubing. Offshore oil and gas operations depend on it for chemical injection lines, hydraulic control lines, umbilicals, and subsea systems that face the challenges of seawater exposure. In petrochemical and chemical plants, it’s utilized for transporting corrosive fluids, heat exchanger coils, and process control applications. Additionally, desalination plants rely on it for high-pressure reverse osmosis units and brine circulation systems, showcasing its versatility and reliability in critical applications.
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