60Si2Cr A21603 - GB /T 1222-2025

60Si2Cr Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.56	1.4	0.4	-	-	0.7	-	-
Maximum Value	0.64	1.8	0.7	0.025	0.02	1	0.35	0.2

60Si2Cr Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
Quenched in oil at 870±20°C and tempered at 420±50°C	≥1765	ReL ≥1570	≥6	≥20

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

60Si2Cr Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!