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Duplex Steel 2205 Round Pipes are manufactured out of a combination of chromium, nickel, and molybdenum in an approximate ratio of 50% chromium, 30% nickel, and 20% molybdenum. This chemical composition provides the pipes with excellent corrosion resistance and very good mechanical properties, which are twice that of typical austenitic stainless steel grades and increased strength at elevated temperatures. Furthermore, the Austenite-ferrite microstructure gives the pipes extreme toughness, resists heat treatments, and reduces associated corrodibility. Overall, Duplex Steel 2205 Pipe's high alloy content gives it outstanding stability against pitting corrosion in many environments.

Duplex Steel 2205 Pipes offer numerous advantages for a variety of applications. They provide superior corrosion resistance and strength, especially compared to stainless steel. The high chromium content creates a dense oxide layer on the surface, highly resistant to erosion and other corrosion from chemicals and environments. This material also has a low thermal expansion coefficient, making it ideal in applications where the temperature fluctuates frequently. Its ability to be welded allows its use in fabrications and piping systems without compromising its corrosion resistance properties. The combination of its unique adaptability to extreme temperatures and superior oxidation properties make Duplex Steel 2205 Pipes perfect for agriculture, construction, energy-related industries, petrochemical refineries, power plants, and pharmaceuticals.

Chemical Composition of Duplex Steel 2205 Pipes:

Examine the chemical Composition of Duplex Steel 2205 Pipes, essential for corrosion resistance and durability.









.030 Max







2.00 Max

1.00 Max

.030 Max

.020 Max


Duplex Steel 2205 Pipes display a robust chemical composition, ensuring high corrosion resistance and structural integrity.

Mechanical Properties of Duplex Steel 2205 Pipes:

Explore the mechanical Properties of Duplex Steel 2205 Pipes through key properties highlighted in this comprehensive table.

Ultimate Tensile Strength, ksi Minimum

.2% Yield Strength, ksi Minimum

Hardness Max.



31 Rockwell C

Duplex Steel 2205 Pipes excel in mechanical strength, delivering superior performance for demanding industrial applications with reliability.

Physical Properties of Duplex Steel 2205 Pipes:

Delve into the inherent characteristics of Duplex Steel 2205 Pipes, unveiling crucial physical properties in this table.

Grade 2205





Mean Co-eff of Thermal

Expansion (μm/m/°C)


Conductivity (W/m.K)



0-100°C( J/kg.K)




0-100°C0-315°C0-538°Cat 100°Cat 500°C
UNS S32205 / UNS S3180378219013.714.219418850

Duplex Steel 2205 Pipes exhibit favorable physical Properties, ensuring durability and suitability for diverse industrial applications.


FAQ's for Duplex Steel 2205 Pipes

 Duplex Steel 2205 Pipes Start From Rs. 400/Kilogram To Rs. 600/Kilogram

Duplex Steel 2205 (UNS S31803) Is A Ferritic-Austenitic Stainless Steel, It Contains Both Ferritic And Austenitic Microstructures In Roughly Equal Proportions. Due To Its Ferritic Properties, It Is Magnetic. It Is Known For Its High Strength, Corrosion Resistance, And High Durability. Therefore Duplex Steel 2205 Pipes Are Also Magnetic.

Yes, Duplex Steel 2205 pipes are known for their excellent corrosion resistance properties. The duplex microstructure of 2205 alloy provides a balance of properties that makes it highly resistant to pitting, crevice corrosion, and stress corrosion cracking. It also has good resistance to general corrosion, especially in reducing acids and in seawater. It is suitable for use in marine and industrial applications, as well as in chemical processing and oil and gas production.

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