46Si7 1.5024 - EN 10089-2002

Grade	46Si7
European Standard Steel Grade	1.5024
Corresponding Standard	EN 10089-2002 Hot rolled steels for quenched and tempered springs; technical delivery conditions
Classification	Spring Steel
Properties	Strength Elasticity Fatigue Resistance 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	+QT	1400~1700	≥1250	≥7	≥30	-	KU ≥15
Rod	+S	-	-	-	-	≤280	-
Bar, rod	+A	-	-	-	-	≤248	-
Bar, rod	+AC	-	-	-	-	≤230	-

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

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