Home > Super Duplex Steel > Super Duplex Steel Tube
Super Duplex Steel Tubesare exceptionally durable, corrosion-resistant tubes crafted from a special grade of stainless steel. They deliver outstanding strength and hold up against harsh environments, which makes them well-suited for a range of uses in industries like oil and gas, chemical processing, and marine engineering. These tubes are recognized for their remarkable performance under extreme conditions, offering dependable operation and long service life.
| 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 2507 | 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 | |||||
| S32750 | 2507 | 550 | 795 | 15 | 310 | 32* |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Super Duplex Steel Tube in compliance with DIN, ISO, JIS or ANSI Standard.
Super Duplex Steel Tube uses are as varied as the sectors they support, led mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Super duplex steel tubes are dimensioned mainly according to their outer diameter (OD) and wall thickness. The OD is gauged across the broadest point of the tube’s cross-section, whereas the wall thickness denotes the gap between the inner and outer surfaces. These measurements are essential for establishing the tube’s strength, pressure rating, and suitability with fittings and connections. Standard sizing conventions apply, with typical ODs spanning from fractions of an inch to several inches, and wall thicknesses differing accordingly. Furthermore, length is another factor, usually stated in feet or meters, depending on the needs of the application.
Super Duplex Steel Tube refers to metal tubing manufactured from a duplex stainless steel alloy. It merges the beneficial characteristics of both austenitic and ferritic stainless steels, delivering outstanding strength, resistance to corrosion, and durability. In contrast to standard duplex stainless steels, super duplex steel has increased amounts of chromium, molybdenum, and nitrogen, which boost its ability to withstand corrosion, particularly in aggressive settings like seawater and chemical processing. Owing to their excellent performance and dependability under challenging conditions, these tubes find frequent application in sectors such as oil and gas, chemical processing, marine, and desalination.
Yes, super duplex steel tubes can be recycled. As with other stainless steel alloys, super duplex steel is highly recyclable and can be melted down and reused to make new products without any loss of its intrinsic properties. Recycling super duplex steel tubes not only preserves natural resources but also lowers the energy use and environmental footprint tied to mining and producing virgin materials. Recycling facilities across the globe actively gather and process stainless steel scrap, including super duplex steel, supporting the sustainability of the material and its lifecycle.
Yessuper duplex steel tubes are suitable for natural gas applications. Super duplex steel provides outstanding corrosion resistance, superior strength, and durability, which makes it a strong fit for transporting natural gas across a range of settings, such as offshore and onshore installations. Because it resists corrosion caused by sulfide stress cracking and hydrogen sulfide gas, it is a favored option for natural gas pipelines and infrastructure where contact with corrosive substances is a concern. Furthermore, the mechanical characteristics of super duplex steel allow it to endure the high-pressure conditions frequently found in natural gas transmission systems, guaranteeing dependable performance and lasting integrity.
Mail: sales@koasteel.nz
