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Super Duplex Steel Tubes are highly durable and corrosion-resistant tubes made from a special type of stainless steel. They offer superior strength and resistance to harsh environments, making them ideal for various applications in industries such as oil and gas, chemical processing, and marine engineering. These tubes are known for their exceptional performance in extreme conditions, providing reliable performance and longevity.
| 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* |
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We offer These Super Duplex Steel Tube as per DIN, ISO, JIS or ANSI Standard.
Super Duplex Steel Tube applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries 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 sized primarily based on their outer diameter (OD) and wall thickness. The OD is measured across the widest point of the tube’s cross-section, while the wall thickness refers to the distance between the inner and outer surfaces. These dimensions are crucial for determining the tube’s strength, pressure rating, and compatibility with fittings and connections. Standard sizing conventions are used, with common ODs ranging from fractions of an inch to several inches, and wall thicknesses varying accordingly. Additionally, length is another consideration, typically specified in feet or meters, depending on the application requirements.
A Super Duplex Steel Tube is a type of metal tubing made from a duplex stainless steel alloy. It combines the desirable properties of austenitic and ferritic stainless steels, offering exceptional strength, corrosion resistance, and durability. Super duplex steel contains higher levels of chromium, molybdenum, and nitrogen compared to standard duplex stainless steels, enhancing its resistance to corrosion, especially in harsh environments such as seawater and chemical processing. These tubes are commonly used in industries such as oil and gas, chemical processing, marine, and desalination due to their superior performance and reliability in demanding conditions.
Yes, super duplex steel tubes are recyclable. Like other stainless steel alloys, super duplex steel is highly recyclable and can be melted down and reused to create new products without losing its inherent properties. Recycling super duplex steel tubes not only conserves natural resources but also reduces energy consumption and environmental impact associated with mining and manufacturing virgin materials. Recycling facilities around the world actively collect and process stainless steel scrap, including super duplex steel, contributing to the sustainability of the material and its lifecycle.
Yes, super duplex steel tubes can be used for natural gas applications. Super duplex steel offers excellent corrosion resistance, high strength, and durability, making it well-suited for conveying natural gas in various environments, including offshore and onshore installations. Its resistance to corrosion from sulfide stress cracking and hydrogen sulfide gas makes it a preferred choice for natural gas pipelines and infrastructure where exposure to corrosive elements is a concern. Additionally, super duplex steel’s mechanical properties enable it to withstand high-pressure conditions commonly encountered in natural gas transmission systems, ensuring reliable performance and long-term integrity.
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