TP 347H S34709 - ASTM A376/A376M-2019

Grade	TP 347H
USA UNS	S34709
Corresponding Standard	ASTM A376/A376M-2019 Seamless Austenitic Steel Pipe for High-Temperature Service
Classification	Austenitic Stainless Steel

TP 347H Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Nb	More
Minimum Value	0.04	-	-	-	-	17	9	-	8C≤Nb(Cb)≤1.10
Maximum Value	0.1	0.75	2	0.045	0.03	19	13	1.1	8C≤Nb(Cb)≤1.10

TP 347H Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥515	≥205	(Longitudinal 35, Transverse 25), min

Approximate Comparison Table Austenitic Stainless Steel

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

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!