TP 304N S30451 - ASTM A376/A376M-2019

Grade	TP 304N
USA UNS	S30451
Corresponding Standard	ASTM A376/A376M-2019 Seamless Austenitic Steel Pipe for High-Temperature Service
Classification	Austenitic Stainless Steel

TP 304N Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	N
Minimum Value	-	-	-	-	-	18	8	0.1
Maximum Value	0.08	0.75	2	0.045	0.03	20	11	0.16

TP 304N Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥550	≥240	(Longitudinal 35, Transverse 25), min

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

TP304N Corresponding Standards(Same grade name, different standards)

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