LF485K2 - GB /T 14383-2021

Performance Level	LF485K2
Corresponding Standard	GB /T 14383-2021 Forged Fitting, Socket-Welding and Threaded
Classification	Carbon Steel

LF485K2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	Nb
Minimum Value	-	0.15	0.6	-	-	-	-	-	-	-	-
Maximum Value	0.3	0.6	1.6	0.025	0.02	0.3	0.4	0.4	0.12	0.08	0.03

LF485K2 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
485~655	≥250	≥20	≥30	≤197	-46°C；≥27

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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