USA UNS S21600
ASTM
Specification or Grade
XM-17
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 Mo N
Minimum Value - - 7.5 - - 17.5 5 2 0.25
Maximum Value 0.08 1 9 0.045 0.03 20.5 7 3 0.5
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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