SF347 - GB /T 14383-2021

Performance Level	SF347
Corresponding Standard	GB /T 14383-2021 Forged fitting, socket-welding and threaded
Classification	Austenitic Stainless Steel

SF347 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	-	-	-	-	-	17	9	Nb:10C~1.1
Maximum Value	0.08	1	2	0.045	0.03	20	13	Nb:10C~1.1

SF347 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
≥515	≥205	≥30	≥50	≤187

① Yield Point: For pipe fittings of the stainless steel category, the specified non-proportional elongation strength Rp0.2 is used. For pipe fittings of other material categories, when the lower yield strength ReL is not clearly defined, the specified non-proportional elongation strength Rp0.2 is used.

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