50crv4 Spring Steel

50CrV4 steel belongs to alloy spring steel, 50CrV4 is the German standard steel number, which corresponds to 50CrVA in China.

Foreign name :50CrV4

Product characteristics :Good mechanical properties and process properties

Product model :50CrV4

Product Type :Spring steel

Characteristics and scope of application

Good mechanical properties and process properties, high hardenability, adding vanadium to refine the grain of steel, reduce overheating sensitivity, improve strength and toughness, with high fatigue strength, yield ratio is also high, but poor weldability, low cold deformation plasticity. It is a kind of higher level spring, used as a large section of high load important spring and working temperature < 300 ℃ valve spring, piston spring, safety valve spring, etc.

Chemical composition

Carbon C: 0.46 ~ 0.54 Si: 0.17 ~ 0.37

Manganese Mn: 0.50 ~ 0.80

Sulfur S: ≤0.030

P: ≤0.030

Chromium: 0.80 ~ 1.10

Nickel Ni: ≤0.35

Copper Cu: ≤0.25

Vanadium: 0.10 ~ 0.2

Mechanical property

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

Yield strength σs (MPa) : ≥1127(115)

Elongation δ5 (%) : ≥10

Section shrinkage ratio ψ (%) : ≥40

Common specification

Name Material Specification Origin Price Spring Steel 50CrV4 2.5*1250 Laisteel 6800

Spring steel 50CrV4 3.0*1250 Lai-steel 6800

Spring steel 50CrV4 3.5*1250 Laisteel-6800

Spring steel 50CrV4 4.0*1250 Lai-steel 6800

Spring steel 50CrV4 4.5*1250 Lai-steel 6800

Spring steel 50CrV4 5.0*1250 Laisteel-6800

Spring steel 50CrV4 5.5*1250 Laisteel-6800

Spring steel 50CrV4 6.0*1250 Laisteel-6800

Spring steel 50CrV4 6.5*1250 Lai-steel 6800

Spring steel 50CrV4 7.0*1250 Lai-steel 6800

Spring steel 50CrV4 7.5*1250 Laisteel-6800

Spring steel 50CrV4 8.0*1250 Lai-steel 6800

Spring steel 50CrV4 8.5*1250 Laisteel-6800

Spring steel 50CrV4 9.0*1250 Laisteel-6800

Spring steel 50CrV4 10.0*1250 Laisteel-6800

Spring steel 50CrV4 11.0*1250 Laisteel-6800

Spring steel 50CrV4 12.0*1250 Lai-steel 6800

Corresponding national brand

Corresponding American brand: G61500

Corresponding Japanese brand: SUP10

Corresponding domestic brand: 50CrVA

Corresponding British brand: 735A51

Corresponding French brand: 50CrV4

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