- sales@lathiefpipes.com
- Safat, Kuwait
Home > Super Duplex Steel > Super Duplex Steel Boiler Tubing
Lathief Pipes, nestled in the industrial heart of Safat, Kuwait, stands as a trusted name in advanced piping solutions. We take particular pride in our expertise with Super Duplex Steel Boiler Tubing, a product engineered for peak performance under extreme conditions. Our commitment is to deliver tubing solutions that don’t just meet industry benchmarks, but provide our clients with long-term reliability and peace of mind, supporting the critical infrastructure that powers progress.
Crafted from a precise alloy rich in chromium, nickel, molybdenum, and nitrogen, Super Duplex Steel Boiler Tubing is inherently robust. This unique composition grants it exceptional strength and a formidable resistance to corrosion, far surpassing conventional stainless steels. The material’s mechanical toughness allows it to withstand intense pressures and temperatures, ensuring structural integrity in the most demanding thermal environments. Its durability is the foundation of its reliable performance.
| 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 Lathief 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.
Lathief Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Boiler Tubing in the Safats, Kuwait. 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 Lathief 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@lathiefpipes.com.
Super duplex steel boiler tubes find extensive application in high-temperature and high-pressure applications where corrosion resistance and high strength are a must. In power generation plants, it finds application in boilers, superheaters, and heat recovery steam generators that operate in hostile feedwater and exhaust gases. In petrochemical and offshore sectors, it is used in heat exchangers and pressure vessels that work under extreme chemical and marine conditions. It is also applied in waste-to-energy plants, desalination, and industrial steam systems. The long service life of the material, low maintenance requirements, and superior mechanical properties render it suitable for critical boiler and thermal transfer applications.
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