46Si7 1.5024 - DIN EN 10089-2003

Grade	46Si7
Germany W-Nr.	1.5024
Corresponding Standard	DIN EN 10089-2003 Hot-Rolled Steels for Quenched and Tempered Springs Technical Delivery Conditions
Classification	Spring Steel
Properties	High Strength High Elasticity Fatigue Resistance Good Weldability

46Si7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	More
Minimum Value	0.42	1.5	0.5	-	-	Cu+10Sn ±0.60
Maximum Value	0.5	2	0.8	0.025	0.025	Cu+10Sn ±0.60

46Si7 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)	1400~1700	≥1250	≥7	≥30	-	KU ≥15
Bar, rod	Cold Shearing Treatment (+S)	-	-	-	-	≤280	-
Bar, rod	Softening Annealing (+A)	-	-	-	-	≤248	-
Bar, rod	Spheroidizing Annealing (+AC)	-	-	-	-	≤230	-

46Si7 Corresponding Standards(Same grade name, different standards)

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