USA UNS S38400
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
Minimum Value - - - - - 15 17
Maximum Value 0.04 1 2 0.045 0.03 17 19
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).
Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS UNS ISO Numerical Grade Numerical Grade
06Ni18Cr16 S38408 SUS384 S38400 X3NiCr18-16 4389-384-00-I (1.4389)

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