51CrV4 Steel Grades
51CrV4 Steel Grades
51CrV4 Steel Grades
51CrV4 Steel Grades
51CrV4 Steel Grades

51CrV4 Steel Grades

51CrV4 Chemical composition: Carbon C: 0.47 ~ 0.55 Silicon Si: ≤0.40 Manganese Mn: 0.70 ~ 1.10 Sulfur S: ≤0.030 P: ≤0.030 Chromium Cr: 0.90 ~ 1.20 Nickel Ni: ≤0.35 Copper Cu: ≤0.25 Vanadium: 0.10 ~ 0.25

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Product Introduction

51CrV4 Steel Grades

Brand 51CrV4

Corresponding to the standard ISO 683-14-2004

Heat-treated steels, alloy steels and free-cutting steels - Part 14: Hot-rolled steels for quenching and tempering springs

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Classify spring steel

Performance elasticity

Label tempered spring steel alloy structural steel

51CrV4/DIN 1.8159 STEEL CHEMICAL COMPOSITION

Grade	C	Si	Mn	P	S	Cr	Mo
51CrV4/1.8159	0.47-0.55	≤0.4	0.7-1.1	≤0.035	≤0.035	0.9-1.2	0.10-0.25
6150	0.48-0.53	0.15-0.35	0.7-0.9	≤0.035	≤0.04	0.8-1.1	≥0.15

Mechanical property

Tensile strength σb (MPa) : ≥1274(130)

Yield strength σs (MPa) : ≥1127(115)

Elongation δ5 (%) : ≥10

Section shrinkage ratio ψ (%) : ≥40

Hardness: hot rolling,≤321HB; Cold drawing + heat treatment,≤321HB

Heat treatment specification and metallographic structure

Heat treatment specification: quench 850℃±20℃, oil cold; Tempering 500℃±50℃(for special needs,±30℃)

51CrV4（1.8159）Non Alloy Steel

51CrV4 spring steel grade

Customizable shapes

Material EN 10083-3 51CrV4

Product quality testing

51CRV4 Spring Steel Sheets

Complete processing capability

high alloyed spring steel 51CrV4

Product Application

AISI 6150 Steel 1.8159 51CrV4 Spring Steel

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Spring Material 51CrV4

Grade 51CrV4