USA UNS S30452
ASTM
Specification or Grade
XM-21
Corresponding Standard ASTM A240/240M-2018
Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and General Applications
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - - - - - 18 8 0.16
Maximum Value 0.08 0.75 2 0.045 0.03 20 10.5 0.3
Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States
GB ISC CNS JIS KS ASTM UNS
06Cr19Ni9NbN S30478 304N2 SUS 304N2 STS 304N2 XM21 S30452

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