60Si2Mn A11603 - GB /T 1222-2025

60Si2Mn Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.56	1.6	0.7	-	-	-	-	-
Maximum Value	0.64	2	1	0.025	0.02	0.35	0.35	0.2

60Si2Mn 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 440±50°C	≥1570	ReL ≥1375	≥5	≥20
	Oil quenching at 870±20°C + tempering at 480±50°C	≥1300	ReL ≥1200	≥5	≥25

1 Approximate Comparison Table Spring Steel

China		Taiwan, China	Japan	South Korea	International Organization for Standardization	Germany		France	Russia	United Kingdom
GB	ISC	CNS	JIS	KS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
60Si2Mn	A11602	SUP6	SUP6	SPS3	61SiCr7	60Si7	1.0909	60Si7	60С2	60Si7

2 Approximate Comparison Table Spring Steel

3 Approximate Comparison Table Spring Steel

4 Approximate Comparison Table Spring Steel 1

60Si2Mn 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"!