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- Muscat, OMAN
Home > Super Duplex Steel > Super Duplex Steel Instrumentation Tubing
Laila Pipes and Tubes, located in Muscat, Oman, stands out as a top manufacturer and supplier of premium Super Duplex Steel Instrumentation Tubing. Renowned for its precision engineering and commitment to international standards, the company offers tubing that boasts remarkable strength, corrosion resistance, and reliability. This Super Duplex Steel Instrumentation Tubing is specifically crafted for demanding industrial applications where high pressure, chemical resistance, and durability are essential. With a strong emphasis on quality and customization, Laila Pipes and Tubes provides tailored solutions for the oil and gas, petrochemical, chemical processing, and offshore industries throughout Oman and the Gulf region.
Instrumentation tubing made of super duplex steel is most commonly produced from grades such as UNS S32750 and S32760, which have a duplex phase structure of austenite and ferrite. The chemical makeup contains high concentrations of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen, with excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. On a mechanical basis, this tubing boasts very high yield and tensile strength, superior fatigue life, and good impact toughness even at cryogenic temperatures. Its strong mechanical and corrosion-proof qualities make it particularly suitable for high-stress, high-pressure instrumentation applications in aggressive environments.
| 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.
Typically crafted from high-alloyed steel grades like S31803 and S32750, Super Duplex Steel Instrumentation Tubing features a well-balanced duplex microstructure of austenite and ferrite. This unique composition delivers outstanding mechanical properties, impressive tensile strength, and excellent resistance to pitting, crevice, and stress corrosion, even in environments rich in chlorides. The tubing is meticulously engineered for high-pressure instrumentation applications, ensuring dimensional accuracy, consistent wall thickness, and long-lasting reliability. Its blend of strength, toughness, and corrosion resistance guarantees optimal performance in harsh industrial settings.
Laila Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Instrumentation Tubing in the Muscats, OMAN, 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 |
Super Duplex Steel Instrumentation Tubing finds its place in various industries that demand dependable, high-performance tubing for precise instrumentation and process control. You’ll commonly see it in chemical and petrochemical plants, oil and gas refineries, offshore platforms, desalination facilities, and power generation systems. Its durability, resistance to corrosion, and ability to handle high pressure make it the perfect choice for critical instrumentation lines, ensuring safety, efficiency, and long-term operational reliability. Laila Pipes and Tubes is committed to delivering top-notch products that meet the highest standards.
Super duplex steel instrumentation tubing is employed in measurement and control systems where strength and corrosion resistance are critical. Offshore and subsea oil and gas facilities utilize it for hydraulic and pneumatic instrumentation lines that are subject to seawater and elevated chloride levels. It is also employed in chemical plant services, desalination plants, and power generation systems where exposure to corrosive media is common. The tubing is well-suited for pressure gauges, flow meters, and impulse lines. Its high-pressure performance and corrosive resistance make it deliver long-term reliability in demanding instrumentation and control applications.
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