USA UNS S30530
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value - 0.5 - - - 17 8.5 0.75 0.75
Maximum Value 0.08 2.5 2 0.045 0.03 20.5 11.5 3.5 1.5
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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