- sales@liampipes.us
- Houston , USA
Home > Super Duplex Steel > Super Duplex Steel Instrumentation Tubing
Liam Pipes and Tubes Houston is dedicated to producing and supplying Super Duplex Steel Instrumentation Tubing, designed to withstand precision applications under challenging conditions. The tubes possess exceptional corrosion resistance, strength, and dimensional stability, which makes them perfectly suitable for instrumentation lines, pressure sensing, and control systems in oil & gas, petrochemical, and power generation industries. The weld-free construction provides integrity and reliability, while the two-phase microstructure ensures superior resistance to corrosion and mechanical stress. Every item is exhaustively tested to satisfy stringent standards for quality, providing reliable performance in demanding applications.
Super Duplex Steel Instrumentation Tubing is made of about 25% chromium, 7% nickel, and 4% molybdenum, which forms a microstructure that improves its resistance to corrosion and mechanical stress. With tensile strength of 780–820 MPa and yield strength of 600–630 MPa, it maintains excellent structural integrity under pressure. Its resistance to pitting and crevice corrosion, reflected in a high pitting resistance equivalent number (PREN) over 40, ensures long-term durability. This tubing offers superior strength and resistance to stress corrosion cracking, making it ideal for instrumentation systems in critical applications.
| Elements | C | Cr | Cu | Fe | Mo | Mn | N | Ni | P | S | Si | W |
| Minimum | 24.0 | REMAINDER | 3.00 | 0.24 | 6.00 | 0.20 | 0.50 | |||||
| Maximum | 0.030 | 26 | 0.50 | 5.00 | 1.20 | 0.32 | 8.00 | 0.035 | 0.020 | 0.80 | 1.00 |
| 0.2% Proof Stress (N/mm2 ) [ksi] minimum | 550[79.8] |
| Ultimate Tensile Strength (N/mm2) [ksi] minimum | 800 [116] |
| Elongation (%) minimum | 25 |
| ardness (HBN) | 270 max |
| Reduction of Cross Section Area (%) | 45 |
| Charpy V-notch Impact at ambient Temp (J) [ft.lb] | 80min [59min] |
| Charpy V-notch Impact at -46°C (J) [ft.lb] | 45av, 35min [33av, 25.8min] |
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 Instrumentation Tubes from Liam 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 Super Duplex steel solutions, you can trust us to provide a top-tier, customized piping solution that meets your specific requirements.
Liam Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Instrumentation Tubing in the Houston s, USA, 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.
| Density (Kg.m-1) | 7810 |
| Magnetic Permeability | 33 |
| Young’s Modulus (N/mm2) | 199 x 103 |
| Specific Heat, 20°C (J.Kg-1.°K-1) | 475 |
| Fracture Toughness, Kq (MPa.m) | 475 |
| Specific Electrical Resistance, 20°C (µO.m) | 0.80 |
| Thermal conductivity, 20°C (W.m-1.°K-1) | 14.2 |
| Mean coefficient of thermal expansion, 20-100°C (°K-1) | 11.1 x 10-6 |
Yes, we provide custom sizes for Super Duplex Steel Instrumentation Tubes to meet your specific requirements. At Liam 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@liampipes.us.
Super Duplex Steel Instrumentation Tubbing is extensively employed in oil and gas, petrochemical, and power industries for applications demanding precise pressure and temperature measurement. General uses are hydraulic systems, control lines, sampling systems, and chemical injection lines. It finds use in offshore platforms, subsea systems, and safety systems where accurate instrumentation is crucial. The durability of the tubing against corrosion, high pressure, and temperatures extends its use to chemical plant flow measurement, temperature monitoring, and process control in power plants and offshore drilling platforms to provide error-free data transmission and system performance.
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