Duplex Steel Coils

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Duplex Steel Coils Manufacturer and Supplier in Dubai, UAE

2205 Duplex Steel Coils, 1.4462 Coils, Duplex UNS S32205 CR Coils, S32205 Duplex Steel 2B Finished Coils Manufacturer and Supplier in Dubai,UAE.

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Duplex Steel Coils are alloys composed of a balanced blend of austenitic and ferritic stainless steels, renowned for their superior strength and corrosion resistance. They find widespread use across various industries, including oil and gas, chemical processing, marine, and construction. These coils are employed in fabricating pipelines, pressure vessels, heat exchangers, and structural components, where durability and performance in harsh environments are paramount. Offering a cost-effective solution for demanding applications, duplex steel coils serve as reliable materials prized for their longevity and resilience.

Duplex Steel Coils Specifications


ASTM A240 / ASME SA240


0.2mm – 5.0mm


3.2mm – 1500mm



Test Certificate


Coils Hardness

Half Hard, Quarter Hard, Soft, Hard, Spring Hard


Hot rolled Coils (HR), Cold rolled Coils (CR), NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA.


Coil / Strip

Mechanical Properties of Duplex Steel Coils

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S32205 7.805 0.285 1420 – 1465 2588 – 2669

Duplex Steel Coils Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Fe
S32205 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21.0 – 23.0 2.50 – 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min

S32205 Duplex Coils, ASME SA240 Duplex S32205 Cut to Size Coil, Duplex S32205 BA Finished Coils, DSS S32205 HR Coils, ASTM A240 Duplex Steel S32205 Coil, Duplex Steel 2205 Coil Manufacturer and Supplier in Dubai, UAE

Top Duplex Steel Coils 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.

Contact us to get a quick quote for your requirement.

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

Duplex Steel S32205 2D Finish Coils Exporter, Duplex Steel UNS S32205 Cold Rolled Coils Supplier, ASME SA240 Duplex Steel S32205 Hot Rolled Coils Manufacturer and Supplier in Dubai, UAE

Advantages of Duplex Steel Coils

  • Superior Corrosion Resistance: Duplex steel coils offer exceptional resistance to corrosion, particularly in aggressive environments containing chlorides, acids, and seawater, surpassing that of austenitic stainless steels.
  • High Strength: These coils possess higher strength levels compared to austenitic and ferritic stainless steels, allowing for thinner gauges and reduced material usage while maintaining structural integrity.
  • Excellent Toughness: Duplex steel coils exhibit excellent toughness, making them resistant to brittle fracture and capable of withstanding impact and vibration in demanding applications.
  • Good Weldability: These coils are readily weldable using common welding techniques, allowing for ease of fabrication and assembly without compromising mechanical properties.
  • Cost-Effective: While offering superior performance, duplex steel coils are often more cost-effective than other corrosion-resistant alloys, providing significant savings in material and maintenance costs over their lifespan.
  • Versatility: Duplex steel coils find applications across various industries, including oil and gas, chemical processing, marine, and construction, due to their versatility and adaptability to diverse operating conditions.
  • High Temperature Resistance: With their balanced microstructure, duplex steel coils maintain their mechanical properties and corrosion resistance even at elevated temperatures, ensuring reliable performance in challenging environments.
  • Reduced Maintenance: Due to their corrosion resistance and durability, duplex steel coils require minimal maintenance, resulting in reduced downtime and associated costs over their service life.
  • Longevity: These coils offer extended service life and durability, making them suitable for long-term applications where reliability and performance are critical.

Types of Duplex Steel Coils

Duplex Steel Coils
Inconel Coils
Duplex Steel Finish Coils
Duplex Steel Cold Rolled Coils
Inconel Coils
Duplex Steel Hot Rolled Coils
Duplex Steel HR Coils
Duplex Steel Perforated Coils

ASTM A240 Duplex S32205 Perforated Coil Dealer, UNS S32205 Duplex Steel Coil, Grade S32205 DSS Coils Manufacturer And Supplier In Dubai UAE.

Duplex Steel Coils Uses

Application Industry

Duplex Steel Coils 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

  • Oil and Gas Industry: Duplex steel coils are extensively used in the oil and gas sector for manufacturing pipelines, offshore platforms, subsea equipment, and pressure vessels due to their superior corrosion resistance and high strength.
  • Chemical Processing: These coils find applications in chemical processing plants for fabricating reactors, storage tanks, heat exchangers, and piping systems, where resistance to corrosive chemicals and high temperatures is essential.
  • Marine and Offshore Engineering: Duplex steel coils are utilized in marine and offshore engineering projects for constructing seawater desalination plants, offshore platforms, shipbuilding components, and coastal structures due to their superior corrosion resistance in marine environments.
  • Petrochemical Industry: These coils are employed in petrochemical refineries for manufacturing equipment such as distillation columns, heat exchangers, and pressure vessels, where they withstand corrosive environments and high temperatures encountered during refining processes.
  • Power Generation: Duplex steel coils find applications in power generation facilities for constructing boilers, turbines, and heat exchangers, where they provide resistance to corrosion and erosion in high-pressure and high-temperature steam environments.
  • Desalination Plants: These coils are used in desalination plants for producing fresh water from seawater through reverse osmosis or thermal desalination processes, where they offer corrosion resistance to seawater and chemicals used in the desalination process.
  • Aerospace and Defense: In the aerospace and defense sectors, duplex steel coils are employed for manufacturing components such as aircraft landing gear, missile systems, and military vehicles, where high strength, corrosion resistance, and durability are critical.

How to Choose the Right Duplex Steel Coils

  1. Identify Application Requirements: Determine specific needs such as corrosion resistance, strength, and temperature tolerance.
  2. Evaluate Corrosion Resistance: Assess the environment where the coils will be used and select a grade with suitable corrosion resistance.
  3. Consider Mechanical Properties: Look for coils with appropriate strength, toughness, and ductility for the application.
  4. Review Standards and Specifications: Ensure compliance with industry standards and specifications relevant to your project.
  5. Consult with Suppliers: Seek guidance from reputable suppliers to match coil properties with application requirements.
  6. Balance Cost and Performance: Consider budget constraints while prioritizing performance and reliability.
  7. Anticipate Future Needs: Select coils that can accommodate potential changes or expansions in your project requirements.

Can Duplex Steel Coils be welded?

Yes, Duplex Steel Coils can be welded using common welding techniques such as TIG (tungsten inert gas), MIG (metal inert gas), and SMAW (shielded metal arc welding). However, proper precautions must be taken due to their dual-phase microstructure. Pre-welding procedures like pre-heating and post-weld heat treatment may be necessary to prevent issues such as sensitization and embrittlement. It’s essential to use suitable filler metals and shielding gases to ensure the integrity and corrosion resistance of the weld joints. Following manufacturer recommendations and industry best practices is crucial to minimize the risk of weld-related defects and maintain the performance of duplex steel coil welds.

FAQ (Frequently Asked Questions)

What applications are suitable for Duplex Steel Coils?

Duplex steel coils are suitable for a wide range of applications across industries such as oil and gas, chemical processing, marine, aerospace, construction, and more. They are commonly used in fabricating pipelines, pressure vessels, heat exchangers, structural components, and offshore platforms where corrosion resistance, high strength, and durability are essential. Due to their versatile properties, duplex steel coils excel in harsh environments containing corrosive chemicals, seawater, and high temperatures, making them ideal for critical applications requiring reliability and performance.

Recommended welding techniques for joining duplex steel coils include TIG (tungsten inert gas), MIG (metal inert gas), SMAW (shielded metal arc welding), SAW (submerged arc welding), laser welding, and electron beam welding. Each technique offers specific advantages depending on the thickness of the material, accessibility, and desired weld quality. Pre-welding and post-welding heat treatments may be necessary to prevent sensitization and maintain corrosion resistance. Selecting appropriate filler metals and shielding gases is crucial to ensure weld integrity and mechanical properties.

Are there any special considerations for the machining or fabrication of Duplex Steel Coils?

Yes, special considerations are needed for machining or fabricating duplex steel coils. Due to their dual-phase microstructure, duplex steels are tougher and have higher strength than conventional stainless steels. Machining operations should be performed at lower speeds, with heavier cuts, and sufficient coolant to minimize work hardening and tool wear. Carbide tooling is recommended. Additionally, post-machining treatments such as stress relieving may be necessary to restore material properties. Thorough cleaning before fabrication is essential to remove contaminants that could affect weld quality or corrosion resistance.

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