51CrMoV 4 - EU 89-1971

Grade	51CrMoV 4
Corresponding Standard	EU 89-1971 Alloy Steel for Hot Forming Heat Treatment of Springs: Quality Specification
Classification	Alloy Steel
Properties	High Elasticity
Density	7.85 g/cm³

51CrMoV 4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	V
Minimum Value	0.48	0.15	0.7	-	-	0.9	0.15	0.07
Maximum Value	0.56	0.4	1	0.035	0.035	1.2	0.25	0.12

51CrMoV 4 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Wire stock, coil wire	Quenching and tempering (H+T)	1373~1618	≥1177	≥6	-
Wire stock, coil wire	Softening Treatment	-	-	-	≤255

51CrMoV4 Corresponding Standards(Same grade name, different standards)

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