55SiCrV A28553 - GB /T 1222-2016

55SiCrV Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	V
Minimum Value	0.51	1.2	0.5	-	-	0.5	-	-	0.1
Maximum Value	0.59	1.6	0.8	0.025	0.02	0.8	0.35	0.25	0.2

55SiCrV Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Quenching and Tempering	≥980	≥785	≥9	≥35	-
Hot Rolled (WHR)	-	-	-	-	Negotiated Between Supplier and Buyer
Stress relief annealing (A)	-	-	-	-	≤280
Soft annealing (SA)	-	-	-	-	≤248

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