Duplex 2205 Stainless Steel

UNS S32205/S31803, ASTM A276, ASTM A479, ASME SA479, ASTM A240, NACE MR0175

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Duplex 2205 Stainless Steel Our Duplex 2205 Stainless Steel is a nitrogen-enhanced duplex used in applications requiring high strength and excellent corrosion resistance. It is designed to combine improved resistance to stress corrosion cracking, pitting and crevice corrosion. Duplex 2205 provides nearly double the corrosion resistance typical in other austenitic stainless steels.

Best Stainless supplies Duplex 2205 SS for a variety of industries including oil & gas, petrochemical, marine and pulp & paper factories. Best stainless also offers Duplex 2507.

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Duplex 2205 Mechanical Properties

Condition Ultimate Tensile Strength (PSI) 0.2% Yield Strength (PSI) Elongation (% In 2in.) Reduction Of Area (%) Hardness Brinell Hardness Rockwell Quote
Annealed 90,000 65,000 25 * 290 C30 Quote »

Duplex 2205 Chemical Properties

Grade C Mn Si P S Cr Mo Ni N Quote
2205 (S31803) 0.03 Max 2.0 Max 1.0 Max 0.03 Max 0.02 Max 21.0-23.0 2.5-3.5 4.5-6.5 0.08-0.20 Quote »
2205 (S32205) 0.03 Max 2.0 Max 1.0 Max 0.03 Max 0.02 Max 22.0-23.0 3.0-3.5 4.5-6.5 0.14-0.20 Quote »

Stainless Steel 2205 Applications

Stainless Steel 2205 Stock Shapes

Duplex 2205 Stainless Steel Industry Standards

  • UNS S31803
  • UNS S32205
  • ASTM A182
  • ASTM A276
  • ASTM A479

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