TP 304H S30409 - ASTM A376/A376M-2019

Grade	TP 304H
USA UNS	S30409
Corresponding Standard	ASTM A376/A376M-2019 Seamless Austenitic Steel Pipe for High-Temperature Service
Classification	Austenitic Stainless Steel

TP 304H Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.04	-	-	-	-	18	8
Maximum Value	0.1	0.75	2	0.045	0.03	20	11

TP 304H Mechanical Properties

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

1 Approximate Comparison Table Austenitic Stainless Steel

China		Japan	United States		International Organization for Standardization	Germany		European Standard
GB	ISC	JIS	AISI	UNS	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
07Cr19Ni10	S30409	SUS 304H	304H	S30409	X6CrNi 18-10 X7CrNi 18-9	X6CrNi18-10	1.4948	X6CrNi18-10	1.4948

2 Approximate Comparison Table

Japan	United States		International Organization for Standardization	France	European Standard		Russia
JIS	ASTM	UNS	ISO	NF EN/NF	EN	Numerical Grade	GOST
SUS304H	304H	S30409	X7CrNi18-9	Z6CN18-09	X6CrNi18-10	1.4948	08KH18N10

TP304H Corresponding Standards(Same grade name, different standards)

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