Duplex 2205 Stainless Steel

Duplex 2205 Stainless Steel – UNS S31803. High chloride stress corrosion resistance at high strength, superior to 304/316 grades in corrosion performance, excellent notch toughness.

Material Designations

Market Grade UNS
Duplex 2205 S31803

 

Standards

ASTM OTHERS
A484 NACE MR0175

Product Features

  • UTS (KSI): 109 Min (125 ksi Min)
  • Yield 0.2% Offset (KSI): 80 ksi Min (110 ksi Min)
  • EL (% Min): 30% (12%)
  • RA (% Min): 50% ((33%)
  • Hardness (HRC): 28 HRC (36 HRC)
  • Charpy Impact Min. ft-lbs: 20 ft-lbs.

Technical Data

C Si Mn P S Cr Mo Ni N
max. 0.030 max. 1.00 max. 2.00 max. 0.030 max. 0.020 22.0 to 23.0 3.0 to 3.5 4.5 to 6.5 14.0 to 20.0