USA UNS S30323
AISI
American Iron and Steel Institute
303Se
Corresponding Standard ASTM A582/A582M-2012(R2017)
Free-Machining Stainless Steel Bars
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Se
Minimum Value - - - - - 17 8 0.15
Maximum Value 0.15 1 2 0.2 0.06 19 10 -
Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Annealing ≤262
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS GOST BS EN/BS
Y12Cr18Ni9Se S30327 303Se SUS 303Se STS 303Se 303Se S30323 12Х18Н10Е 303S41
2 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
Y12Cr18Ni9Se S30327 SUS303Se S30323 X12CrNiSe18-9 4625-303-23-X 1.4625

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