61SiCr7 1.7108 - DIN EN 10089-2003

Grade	61SiCr7
Germany W-Nr.	1.7108
Corresponding Standard	DIN EN 10089-2003 Hot-rolled steels for quenched and tempered springs Technical delivery conditions
Classification	Spring Steel
Properties	Strength Elasticity Fatigue Resistance Quench Hardness

61SiCr7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	More
Minimum Value	0.57	1.6	0.7	-	-	0.2	Cu+10Sn ±0.60
Maximum Value	0.65	2	1	0.025	0.025	0.45	Cu+10Sn ±0.60

61SiCr7 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Bar, rod	Quenching and Tempering (+QT)	1550~1850	≥1400	≥5.5	≥20	-	KU ≥8
Bar, rod	Cold Shearing Treatment (+S)	-	-	-	-	≤280	-
Bar, rod	Softening Annealing (+A)	-	-	-	-	≤248	-
Bar, rod	Spheroidizing Annealing (+AC)	-	-	-	-	≤230	-

New and Old Grade Replacement List

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"!