61SiCr7 61SC7 - NF A 36-571-1996

Grade	61SiCr7
Old Grade
Corresponding Standard	NF A 35-571-1996 Hot-Rolled Steels for Quenched and Tempered Springs — Technical Delivery Conditions
Classification	Spring Steel
Properties	High Strength High Elasticity Fatigue Resistance

61SiCr7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.57	1.6	0.7	-	-	0.2
Maximum Value	0.64	2	1	0.025	0.025	0.45

61SiCr7 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Steel	1550~1850	≥1400	≥5

61SiCr7 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"!