Super Duplex Steel Tube

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Super Duplex Steel Tube Suppliers and Manufacturers in Dubai, UAE

Super Duplex Steel UNS S32950 Seamless Tube Supplier In Abu Dhabi Special Steel, UNS S32750 Super Duplex Steel Seamless Tube Manufacturers And Suppliers

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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.

Super Duplex Steel Tube Specifications

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

Super Duplex Steel Tube Chemical Composition

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

ASTM A790 Super Duplex S32760 Seamless Tube Supplier In Dubai, ASTM A790 Super Duplex Seamless Tube In UAE, Super Duplex UNS S32950 Seamless Tube In Abu Dhabi, Super Duplex Steel UNS S32750 Seamless Tube Suppliers

Super Duplex Steel Tube Mechanical Properties

UNS No Grade Proof Stress 0.2% (MPa) Tensile Strength (MPa) Elongation A5(%) Hardness Max
HB HRB
S32750 2507 550 795 15 310 32*

Top Super Duplex Steel Tube Manufacturing Company in Dubai

At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.

Super Duplex Steel Tube Grades

  • Super Duplex Steel 2507 Tube
  • Super Duplex Steel UNS S32750 Tube
  • Super Duplex Steel UNS S32760 Tube

Contact us to get a quick quote for your requirement.

We offer These Super Duplex Steel Tube as per DIN, ISO, JIS or ANSI Standard.

Get the best price from Super Duplex Steel Tube Manufacturers & stockist in UAE, check Super Duplex Steel Welded Tube price per kg in Dubai.

Advantages of Super Duplex Steel Tube

Inconel Flanges
  1. Corrosion Resistance: Super duplex steel tubes offer exceptional resistance to corrosion, including pitting and crevice corrosion, making them suitable for use in harsh environments such as offshore oil rigs and chemical processing plants.
  2. High Strength: These tubes possess higher strength compared to conventional stainless steels, allowing for thinner walls and lighter structures without compromising on performance.
  3. Durability: Super duplex steel tubes are highly durable, withstanding extreme temperatures, pressure, and mechanical stress, resulting in longer service life and reduced maintenance costs.
  4. Versatility: They can be used in a wide range of applications, including oil and gas pipelines, desalination plants, heat exchangers, and marine engineering, due to their versatility and adaptability to various conditions.
  5. Cost-Effectiveness: Despite their initial higher cost compared to standard stainless steels, super duplex steel tubes offer significant cost savings over time due to their extended lifespan, reduced downtime, and lower maintenance requirements.
  6. Excellent Weldability: Super duplex steel tubes can be easily welded using common techniques, providing flexibility in fabrication and construction processes while maintaining structural integrity.
  7. Resistance to Stress Corrosion Cracking: These tubes exhibit high resistance to stress corrosion cracking, a common issue in chloride-rich environments, ensuring reliable performance in critical applications.

Types of Super Duplex Steel Tube

SS Seamless Pipe
Super Duplex Steel Tube
Duplex Steel Seamless Pipe
Super Duplex Steel Seamless Tube
SS 304 ERW Pipe
Super Duplex Steel ERW Tube
AISI Duplex Steel Pipe
AISI Super Duplex Steel Tube
Duplex Steel Welded Pipe
Super Duplex Steel Welded Tube
SS Pipe
Super Duplex Steel Round Tube

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Super Duplex Steel Tube Uses

Application Industry

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.

Oil & Gas Industry

Aviation Industry

Petro Chemical Industry

Power Generation Industry

  1. Oil and Gas Industry: Super duplex steel tubes are widely used in the oil and gas industry for applications such as subsea pipelines, offshore platforms, and downhole tubing due to their corrosion resistance and high strength.
  2. Chemical Processing: They are employed in chemical processing plants for transporting corrosive chemicals, acids, and solvents, where their superior corrosion resistance ensures safe and reliable operation.
  3. Desalination Plants: Super duplex steel tubes are utilized in desalination plants for seawater intake and brine discharge lines, as well as in heat exchangers and evaporators, thanks to their resistance to chloride-induced corrosion.
  4. Petrochemical Industry: These tubes find applications in petrochemical refineries for processing and transporting a variety of petroleum products, including crude oil, gasoline, and liquefied natural gas (LNG), where their durability and corrosion resistance are critical.
  5. Marine Engineering: Super duplex steel tubes are used in marine engineering for shipbuilding, offshore structures, and seawater systems due to their ability to withstand harsh marine environments, including saltwater corrosion and biofouling.
  6. Power Generation: They are employed in power plants for heat exchangers, boiler tubes, and condenser tubes, where their resistance to high temperatures and corrosive gases ensures efficient energy generation and long-term reliability.

How to Choose the Right Super Duplex Steel Tube

  1. Corrosion ResistanceLook for tubes with high resistance to corrosion, especially in aggressive environments such as seawater, acidic, or chloride-rich conditions.
  2. Material GradeCheck the material grade of the super duplex steel tube. Common grades include UNS S32750 (SAF 2507) and UNS S32760 (Zeron 100), each offering specific properties suited for different applications.
  3. Mechanical PropertiesConsider the mechanical properties such as tensile strength, yield strength, and elongation. These properties determine the tube’s ability to withstand pressure, temperature fluctuations, and mechanical stress.
  4. WeldabilityEvaluate the weldability of the tube, as it affects fabrication and installation processes. Tubes with good weldability ensure ease of joining and maintain mechanical integrity after welding.
  5. Size and DimensionDetermine the required size and dimensions of the tube based on your application specifications. Consider factors like outer diameter, wall thickness, and length to ensure compatibility with existing systems.
  6. Compliance StandardsEnsure that the super duplex steel tube complies with relevant industry standards and certifications such as ASTM, ASME, EN, or ISO. Compliance ensures the quality and performance of the tube in specific operating conditions.

How are Super Duplex Steel Tube Sized?

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.

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FAQ (Frequently Asked Questions)

What is Super Duplex Steel Tube?

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.

Are Super Duplex Steel Tube Recyclable?

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.

Can Super Duplex Steel Tubes be used for Natural Gas?

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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