50SiCrMo6 1.8063 - DIN EN 10089-2003

Grade	50SiCrMo6
Germany W-Nr.	1.8063
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

50SiCrMo6 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	More
Minimum Value	0.46	1.4	0.7	-	-	0.8	0.2	Cu+10Sn ±0.60
Maximum Value	0.54	1.8	1	0.025	0.025	1.1	0.35	Cu+10Sn ±0.60

50SiCrMo6 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)	1650~1950	≥1420	≥6	≥30	-	KU ≥5
Bar, rod	Cold Shearing Treatment (+S)	-	-	-	-	≤280	-
Bar, rod	Softening Annealing (+A)	-	-	-	-	≤248	--
Bar, rod	Spheroidizing Annealing (+AC)	-	-	-	-	≤230	-

50SiCrMo6 Corresponding Standards(Same grade name, different standards)

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