Grade SA-213M Grade TP347H
S34709
Corresponding Standard ASME SA-213/SA-213M-2019
Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater, and Heat-Exchanger Tubes
Classification Austenitic Stainless Steel
SA-213M Grade TP347H Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni More
Minimum Value 0.04 - - - - 17 9 Nb: 8C~1.1
Maximum Value 0.1 1 2 0.045 0.03 19 13
SA-213M Grade TP347H Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
≥515 ≥205 ≥35 HBW: ≤192
HV:: ≤200
HRB: ≤90
Approximate Comparison Table
China Japan United States International Organization for Standardization France European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade NF EN/NF EN Numerical Grade
07Cr18Ni11Nb
(1Cr19Ni11Nb)
S34779 SUS347H 347H S34709 X7CrNiNb18-10 4912-347-09-I Z2CND17-11
Z2CND18-13
Z8CNNb18-10
X7CrNiNb18-10 1.4912

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