USA UNS S32520
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Duplex Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 24 5.5 0.5 3 0.2
Maximum Value 0.03 0.8 1.5 0.035 0.02 26 8 3 5 0.35
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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