USA UNS S32003
Corresponding Standard ASTM A790/A790M-2024
Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
Classification Duplex Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 19.5 3 1.5 0.14
Maximum Value 0.03 1 2 0.03 0.02 22.5 4 2 0.2
Mechanical Properties
thickness
t
mm
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
t≤5.00 ≥690 ≥485 ≥25 HBW: ≤290
HRC: ≤30
t>5.00 ≥655 ≥450 ≥25 HBW: ≤290
HRC: ≤30

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