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Santner Nickel Alloys, a reputable manufacturer and supplier located in Hamilton, New Zealand, specializes in high-quality **Super Duplex Steel Tubing** tailored for demanding industrial applications. Renowned for its outstanding corrosion resistance, impressive mechanical strength, and long-lasting durability, this tubing is crafted using cutting-edge manufacturing techniques and rigorous quality control measures. Santner Nickel Alloys caters to industries that need reliable, high-performance materials capable of enduring harsh chemical, marine, and offshore conditions. With a commitment to technical expertise, precision, and timely delivery, the company guarantees that its Super Duplex Steel Tubing consistently delivers excellent performance, structural integrity, and dependable service for critical applications.
Super Duplex Steel Tubing boasts a well-balanced duplex microstructure made up of austenite and ferrite, featuring a precisely controlled blend of chromium, molybdenum, nickel, nitrogen, and iron. This unique composition ensures remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, the tubing provides exceptionally high tensile and yield strength, outstanding toughness, and stability across a broad temperature range. It also showcases excellent fatigue resistance and weldability, making it perfect for aggressive chemical, marine, and offshore environments. The tubing maintains its structural integrity even under high pressure and challenging operational conditions.
| Standard | : | ASTM A789 / ASME SA 789 |
|---|---|---|
| Type | : | Seamless Tubes |
| Grade | : | UNS S32750, UNS 32760 & UNS S32950 |
| Size | : | 1/2″NB TO 12 “NB IN |
| Thickness | : | 0.5-45mm |
| Outer Diameter | : | 6.0-630mm |
| Dimensions | : | OD(6.0-630)*WT(0.5-45)mm |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Length | : | Single Random, Double Random & Cut Length |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
Super Duplex Tubing | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 |
UNS No | Grade | Proof Stress 0.2% (MPa) | Tensile Strength (MPa) | Elongation A5(%) | Hardness Max | |
HB | HRB | |||||
Super Duplex Steel Tubing | 2507 | 550 | 795 | 15 | 310 | 32* |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Tubing in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Super Duplex Steel Tubing finds extensive use in industries that demand corrosion-resistant, high-strength, and durable tubing solutions. In offshore and marine settings, it serves as risers, flowlines, structural tubing, and subsea equipment that are constantly exposed to seawater and chloride-rich conditions.