USA UNS S30116
AISI
American Iron and Steel Institute
301Si
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 Mo N
Minimum Value - 1 - - - 16 6 - -
Maximum Value 0.15 1.35 2 0.045 0.03 18 8 1 0.2
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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