USA UNS S30815
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 N Ce
Minimum Value 0.05 1.4 - - - 20 10 0.14 0.03
Maximum Value 0.1 2 0.8 0.04 0.03 22 12 0.2 0.08
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).
1 Approximate Comparison Table
United States International Organization for Standardization European Standard
ASTM UNS ISO Numerical Grade Numerical Grade
F 45 S30815 X7CrNiSiNCe 21-11 4835-308-15-U 1.4835
2 Approximate Comparison Table
United States International Organization for Standardization European Standard Sweden
UNS ISO EN Numerical Grade SS
S30815 X7CrNiSiNCe21-11 X9CrNiSiNCe21-11-2 1.4835 2368

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