Duplex Steel Pipe

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Duplex Steel Pipe and Duplex Steel Seamless & Welded Pipe Suppliers and Manufacturer in UAE

Duplex Steel 2205 Seamless Pipes, ASTM A790 Duplex Steel Pipes, Duplex Steel Seamless Pipe Manufacturers, Duplex Steel UNS S31803 Seamless Pipes

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Duplex Steel Pipes are made from duplex stainless steel, a unique material blending both austenitic and ferritic microstructures. This combination grants these pipes remarkable strength and resistance against corrosion, rendering them perfect for challenging environments found in chemical processing, oil and gas, and marine engineering industries. Renowned for their durability, high tensile strength, and ability to withstand pitting and crevice corrosion, duplex steel pipes stand as a dependable option for critical applications subjected to harsh conditions.

Duplex Steel Pipe Specifications

Standard Specification ASTM A790 ASME SA790, F51
Manufacturing Type Seamless / ERW / Welded / Fabricated / CDW / CDS / DOM / CEW / 100% X Ray Welded
Thickness Range SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS
Origin Europe, USA, South Korea
Value Added Services
  • Cutting
  • Beveling
  • Threading
  • Destructive and Non Destructive
  • Ultrasonic Testing
  • Draw & Expansion as per required Size & Length
END Plain End, Beveled End, Treaded ASTM A790 DSS Pipe
  • Specification
  • Material Grade
  • Nominal Size
  • Schedule or Wall Thickness
  • Method of Manufacturing (Seamless / Welded)
  • Heat Number
  • Manufacturer / Supplier Name or Custom Logo – on request
Test Certificate
  • Third Party Inspection (TPI)
  • Moisture testing
  • Manufacturer Test Certificate
  • Fumigation Certificates
  • 100% Radiography Test Report
  • DFARS compliant
  • EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
  • Laboratory Test Certificate from Govt. Approved Lab
  • Raw Materials Certificate
  • HS Code Commercial Invoice
  • Heat Treatment Charts
  • Surface roughness measurement
  • Form A for Generalized System of Preferences (GSP)
Packaging Packed in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers’ request
Port Mumbai, India
Why choose Oshwin?
  • Lowest price
  • Better price stability
  • Higher strength leading to weight saving
  • High corrosion resistance particularly stress corrosion cracking

Duplex Steel Pipe Chemical Composition

Cr Ni Mo N Mn W Cu
2101 LDX 21.5 1.5 0.3 0.22 5
DX2202 23 2.5 0.3 0.2 1.5
RDN 903 20 1.8 0.2 0.11 4.2
2304 23 4.8 0.3 0.10
2205 22 5.7 3.1 0.17
2507 25 7 4 0.27
Zeron 100 25 7 3.2 0.25 0.7 0.7
Ferrinox 255/ Uranus 2507Cu 25 6.5 3.5 0.25 1.5

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Duplex Steel Pipe Mechanical Properties

Mechanical properties Tensile,min,ksi[MPa] Yield,min,ksi[MPa] Elongation,%(min) Hardness,HB(max)
S31803 90 [620] 65 [450] 25 290
S32205 95 [655] 65 [450] 25 290
S32750 116 [800] 80 [550] 15 300
S32760 109 [750] 80 [550] 25 300

Top Duplex Steel Pipe 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.

Duplex Steel Pipe Grades

  • Duplex Steel S2205 Pipes
  • Duplex Steel 2205 Pipes
  • Duplex Steel S31083 Pipes

Contact us to get a quick quote for your requirement.

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

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

Advantages of Duplex Steel Pipe

  1. Corrosion Resistance: Duplex steel pipes offer superior resistance to corrosion, including both general corrosion and localized corrosion such as pitting and crevice corrosion.
  2. High Strength: These pipes exhibit excellent mechanical properties, including high tensile strength and toughness, making them suitable for demanding applications.
  3. Durability: Duplex steel pipes are highly durable and can withstand harsh environments, resulting in longer service life compared to other materials.
  4. Versatility: They are suitable for a wide range of applications across various industries, including chemical processing, oil and gas, marine engineering, and more.
  5. Cost-Effective: Despite their premium properties, duplex steel pipes can provide cost savings over the long term due to their extended service life and reduced maintenance requirements.
  6. Resistance to Stress Corrosion Cracking: Duplex steel pipes have good resistance to stress corrosion cracking, enhancing their reliability in critical applications.
  7. Ease of Fabrication: These pipes are relatively easy to fabricate, weld, and form, allowing for efficient manufacturing and installation processes.
  8. Reduced Maintenance: With their resistance to corrosion and wear, duplex steel pipes require minimal maintenance, leading to lower downtime and operational costs.

Types of Duplex Steel Pipes

Duplex Steel Pipes
Duplex Steel Seamless Pipe
Duplex Steel Seamless Pipe
SS 304 ERW Pipe
Duplex Steel ERW Pipe
AISI Duplex Steel Pipe
Duplex Steel Welded Pipe
Duplex Steel Round Pipe

Duplex Steel Seamless Pipes Supplier In United Arab Emirates (UAE), ASTM A790 Duplex Seamless Pipes Exporters In Dubai.

Duplex Steel Pipe Uses

Application Industry

Duplex Steel Pipes 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

Construction and Infrastructure

Petro Chemical Industry

Power Generation Industry

  1. Chemical Processing: Duplex steel pipes are widely used in chemical processing plants for transporting corrosive chemicals, acids, and solvents due to their excellent corrosion resistance.
  2. Oil and Gas Industry: These pipes are employed in offshore and onshore oil and gas facilities for transporting crude oil, natural gas, and refined petroleum products, as well as in pipelines for water injection and gas injection.
  3. Marine Engineering: Duplex steel pipes find applications in marine environments for seawater desalination, offshore drilling platforms, shipbuilding, and other marine engineering applications due to their resistance to corrosion in seawater.
  4. Petrochemical Industry: They are used in petrochemical plants for conveying various petroleum derivatives, gases, and chemicals, including acids, alkalis, and hydrocarbons.
  5. Water Treatment: Duplex steel pipes are utilized in water treatment plants for distributing treated water, wastewater, and industrial effluents, thanks to their corrosion resistance and durability.
  6. Power Generation: These pipes are employed in power plants for transporting steam, condensate, and cooling water, as well as in heat exchangers and boiler systems, where corrosion resistance and high strength are essential.
  7. Construction and Infrastructure: Duplex steel pipes are utilized in construction projects for structural applications, such as bridge construction, architectural features, and structural supports, where corrosion resistance and strength are required.
  8. Aerospace Industry: They find applications in aerospace engineering for manufacturing components and systems that require high strength-to-weight ratios and resistance to corrosion in aerospace environments.

How to Choose the Right Duplex Steel Pipe

  1. Identify Application Requirements: Determine the specific requirements of your application, including factors such as temperature, pressure, corrosion resistance, and mechanical properties.
  2. Select the Appropriate Grade: Choose the suitable grade of duplex steel based on the application requirements, considering factors such as corrosion resistance, strength, and weldability.
  3. Consider Environmental Conditions: Evaluate the environmental conditions in which the pipe will operate, such as exposure to corrosive chemicals, seawater, high temperatures, or high-pressure environments.
  4. Evaluate Size and Dimensions: Determine the required size and dimensions of the pipe, including diameter, wall thickness, and length, based on flow rate, pressure, and space constraints.
  5. Check Compliance with Standards: Ensure that the duplex steel pipe meets relevant industry standards and specifications, such as ASTM, ASME, and NACE, to guarantee quality and reliability.
  6. Assess Weldability and Fabrication: Consider the weldability and ease of fabrication of the duplex steel pipe, especially if welding or forming processes are involved in the installation.

Are Duplex Steel Pipes Recyclable?

Yes, duplex steel pipes are recyclable. They contain valuable raw materials like iron, nickel, and chromium, which can be extracted and reused in the production of new steel products, promoting sustainability and reducing waste.

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FAQ (Frequently Asked Questions)

What are Duplex Steel Pipes?

Duplex steel pipes are corrosion-resistant pipes made from duplex stainless steel, a material known for its combination of austenitic and ferritic microstructures.

What industries commonly use Duplex Steel Pipes?

Duplex steel pipes are widely used in industries such as chemical processing, oil and gas, marine engineering, construction, aerospace, automotive, and food processing.

Can Duplex Steel Pipes be Welded?

Yes, duplex steel pipes can be welded using standard welding techniques. However, special considerations may be required to ensure high-quality welds and minimize the risk of defects or failures.

Duplex Steel Pipe Weight Chart


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