USA UNS S20433
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu N
Minimum Value - - 5.5 - - 17 3.5 1.5 0.1
Maximum Value 0.08 1 7.5 0.045 0.03 18 5.5 3.5 0.25
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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