Grade F304N S30451 Type 304N - ASTM A965/A965M-2025

Grade	Grade F304N
USA UNS	S30451
Other Names
Corresponding Standard	ASTM A965/A965M-2025 Standard Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
Classification	Austenitic Stainless Steel

Grade F304N 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

Grade F304N Mechanical Properties

Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
≥550	≥240	≥25	≥45

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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