- sales@davidpipes.com
- Canberra, Australia
Home > Super Duplex Steel > Super Duplex Steel Instrumentation Tubing
David Pipes and Tubes, located in Canberra, Australia, stands out as a top-notch manufacturer and supplier of **Super Duplex Steel Instrumentation Tubing**. This tubing is celebrated for its remarkable strength, resistance to corrosion, and precision. It’s specifically designed for critical instrumentation and control applications, ensuring top performance even in the most corrosive and demanding environments. At David Pipes and Tubes, they prioritize precision manufacturing, rigorous quality control, and adherence to international standards, delivering tubing that promises reliable and long-lasting performance. Super Duplex Steel Instrumentation Tubing finds its place in various industries, including chemical, oil and gas, marine, and power generation, where accuracy, durability, and resistance to harsh conditions are crucial.
This tubing is made up of about 25% chromium, nickel, molybdenum, and nitrogen, which creates a well-balanced austenitic-ferritic microstructure. This unique composition results in excellent mechanical properties, boasting tensile strength of up to 800 MPa and yield strength around 550 MPa. It also shows impressive resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides and acids. With its high toughness, weldability, and thermal stability, it’s perfectly suited for high-pressure, high-temperature, and chemically aggressive instrumentation 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 David 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.
David Pipes and Tubes, one of the largest suppliers of Super Duplex Steel Instrumentation Tubing in the Canberras, Australia, 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 David 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@davidpipes.com.
Super Duplex Steel Instrumentation Tubing is widely utilized in sectors that demand corrosion-resistant and high-strength control solutions. In chemical and petrochemical plants, it’s used for monitoring, sampling, and control lines that handle aggressive chemicals. The oil and gas industry, along with offshore operations, rely on it for hydraulic and instrumentation systems. Marine applications take advantage of its seawater resistance, while power generation facilities incorporate it into instrumentation circuits for heat exchangers and condensers. Its durability, precision, and corrosion resistance also make it a great fit for pharmaceutical, food processing, and other high-integrity industries.
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