60Si2CrV A28603 - GB /T 1222-2016

60Si2CrV Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	V
Minimum Value	0.56	1.4	0.4	-	-	0.9	-	-	0.1
Maximum Value	0.64	1.8	0.7	0.025	0.02	1.2	0.35	0.25	0.2

60Si2CrV 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	≥1860	≥1665	≥6	≥20	-
Hot Rolled (WHR)	-	-	-	-	Negotiated Between Supplier and Buyer
Hot rolled + stress relief annealing (WHR+A)	-	-	-	-	≤321

Approximate Comparison Table Spring Steel

China		International Organization for Standardization	Germany		France	Russia	United Kingdom
GB	ISC	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
60Si2CrA 60Si2CrVA	A21603 A28603	≈55SiCr6-3	60SiCr7	1.0961	60SiCr7 (60SC7)	60С2ХА 60С2ХФА	60SiCr7

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