USA UNS S32950
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Duplex Stainless Steel
Properties Corrosion Resistance
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 26 3.5 1 0.15
Maximum Value 0.03 0.6 2 0.035 0.01 29 5.2 2.5 0.35
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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