Grade A213 TP304N
USA UNS S30451
Corresponding Standard ASTM A213/A213M-2019
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Classification Austenitic Stainless Steel
A213 TP304N Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - - - - - 18 8 0.1
Maximum Value 0.08 1 2 0.045 0.03 20 11 0.16
A213 TP304N Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
≥550 ≥240 ≥35 ≤192
Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization European Standard
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade EN Numerical Grade
06Cr19Ni10N
(0Cr19Ni9N)
S30458 304N1 SUS 304N1
SUS 304N2
STS 304N1 304N S30451 X5CrNiN 19-9 4315-304-51-I X5CrNiN 19-9 1.4315

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