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Super Duplex Steel Tubes are exceptionally durable and corrosion-resistant tubes crafted from a specialized grade of stainless steel. They deliver outstanding strength and withstand harsh environments well, which makes them well-suited for a wide range of uses across industries like oil and gas, chemical processing, and marine engineering. These tubes are recognized for their remarkable performance under extreme conditions, offering dependable performance 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 Sumakhsteel, we take pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across the USA, we maintain an extensive inventory of more than 25,000 tons of top-grade materials kept ready in stock.
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We supply these Super Duplex Steel Tube conforming to DIN, ISO, JIS or ANSI Standard.
Super Duplex Steel Tube applications are as varied as the industries they cater to, driven 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 taken 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 fit with fittings and connections. Standard sizing conventions apply, with typical ODs spanning from fractions of an inch up to several inches, and wall thicknesses differing to match. Furthermore, length is an added factor, generally given in feet or meters, based on the needs of the application.
A Super Duplex Steel Tube is a form of metal tubing produced from a duplex stainless steel alloy. It merges the sought-after characteristics of austenitic and ferritic stainless steels, delivering outstanding strength, corrosion resistance, and durability. Compared to standard duplex stainless steels, super duplex steel has greater amounts of chromium, molybdenum, and nitrogen, which improves its resistance to corrosion, particularly in severe environments like seawater and chemical processing. These tubes see widespread use in sectors such as oil and gas, chemical processing, marine, and desalination because of their excellent performance and dependability under demanding conditions.
Yes super duplex steel tubes can be recycled. Similar to other stainless steel alloys, super duplex steel is highly recyclable and can be melted down and repurposed into new products without sacrificing its intrinsic properties. Recycling super duplex steel tubes not only preserves natural resources but also lowers energy usage and the environmental footprint tied to mining and producing raw materials. Recycling facilities across the globe actively gather and process stainless steel scrap, super duplex steel included, supporting the sustainability of the material throughout its lifecycle.
Yes Meanwhile, super duplex steel tubes are suitable for natural gas applications. Super duplex steel provides outstanding corrosion resistance, high strength, and durability, which makes it a great fit for transporting natural gas across diverse environments, including 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 elements is a concern. Furthermore, the mechanical properties of super duplex steel allow it to endure the high-pressure conditions frequently found in natural gas transmission systems, delivering dependable performance and lasting integrity.
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