52SiCrNi5 1.7117 - EN 10089-2002

Grade	52SiCrNi5
European Standard Steel Grade	1.7117
Corresponding Standard	EN 10089-2002 Hot rolled steels for quenched and tempered springs; technical delivery conditions
Classification	Spring Steel
Properties	Strength Elasticity Fatigue Resistance Quench Hardness

52SiCrNi5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	0.49	1.2	0.7	-	-	0.7	0.5	Cu+10Sn ±0.60
Maximum Value	0.56	1.5	1	0.025	0.025	1	0.7	Cu+10Sn ±0.60

52SiCrNi5 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	1450~1750	≥1300	≥6	≥35	-	KU ≥10
Rod	+S	-	-	-	-	≤280	-
Bar, rod	+A	-	-	-	-	≤248	-
Bar, rod	+AC	-	-	-	-	≤230	-

52SiCrNi5 Corresponding Standards(Same grade name, different standards)

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