USA UNS S41050
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Ferritic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - - - - - 10.5 0.6 -
Maximum Value 0.04 1 1 0.045 0.03 12.5 1.1 0.1
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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