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- Kinshasa, Thailand
Home > Super Duplex Steel > Super Duplex Steel Boiler Tubing
From the heart of Kinshasa, Wissa Pipes has established itself as a trusted partner for industry, renowned for its commitment to quality and reliability. Our specialization in Super Duplex Steel Boiler Tubing reflects our dedication to providing robust solutions for the most demanding environments. We understand the critical nature of your operations, which is why we ensure that every length of tubing we supply meets the highest international standards, offering you peace of mind and unparalleled performance right here in Congo.
Super Duplex Steel is truly remarkable, defined by its rich composition of chromium, nickel, molybdenum, and nitrogen. This specific alloy gives the tubing exceptional strength, far surpassing ordinary stainless steels, while also delivering outstanding resistance to pitting and crevice corrosion. Its ability to withstand immense pressure and high temperatures makes it an incredibly durable and long-lasting choice, perfectly suited to withstand the punishing conditions found inside modern boiler systems.
| 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 Wissa 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.
Wissa Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Boiler Tubing in the Kinshasas, Thailand. 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 Wissa 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@wissapipes.com.
Super Duplex Steel Boiler Tubing finds extensive application in industries where strength and corrosion resistance are paramount. It’s commonly used in power generation plants for boilers, heat exchangers, and superheater tubes. The oil & gas industry relies on it for offshore and subsea equipment, while the petrochemical sector utilizes it for transferring high-temperature fluids and gases. Additionally, it’s a go-to choice for desalination plants and marine applications due to its outstanding resistance to seawater. Its durability and reliability make it the preferred option for critical operations involving high temperatures and pressures.
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