Grade F348 S34800 Type 348 - ASTM A965/A965M-2025

Grade	Grade F348
USA UNS	S34800
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 F348 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Co	Ta	More
Minimum Value	-	-	-	-	-	17	9	-	-	Nb:10×C~1.10
Maximum Value	0.08	1	2	0.045	0.03	19	12	0.02	0.1	Nb:10×C~1.10

Grade F348 Mechanical Properties

Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
≥485	≥205	≥30	≥45

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