DUPLEX 31803

UNS S31803 / EN 1.4462 / SAF 2205

Chemical Composition: (%)

C:0.03 max.
Mn:2 max.
Si:0.03 max.
S: 0.02 max.
Ni:4.5~6.5
Mo:2.5~3.5
N:0.08~0.2
Fe: 63.75~71.92 or Bal.

Mechanical Properties

-Tensile Strength (MPa): ≥620 min.
-Yield Strength (MPa): ≥450 min.
-Elongation (%): ≥25 min.
-Hardness (HRC): ≤31 max.

Grade: (Equivalent / Renowned As)

-UNS S31803
-AISI 2205
-SAE 2205
-SAF 2205
-DIN EN 1.4462
-DIN X2CrNiMoN22-5-3
-F51

Standard (ASTM):

Seamless Pipes -A790
Seamless Tubes -A789

Standard (ASME):

Seamless Pipes -SA 790
Seamless Tubes - SA 789

Standard (EN):

-Seamless Pipe & Tube = EN 10216-5 TC1 or EN 10216-5 (Pressure Purpose)
-Seamless Pipe & Tube = EN 10297-2 (Mechanical & General Engineering Purpose)

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