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Home Material ASTM A 473-2024(a)
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USA UNS S30323
ASTM
Specification or Grade		 303 Se
Corresponding Standard ASTM A 473-2024(a)
Stainless Steel Forgings
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
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
%
A - annealed ≥515 ≥205 ≥40 ≥50
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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