EN 10083-3 51CrV4 alloy steel is a higher-grade spring, used as a high-load important spring with a larger section and a valve spring, piston spring, and safety valve spring with an operating temperature of <300 ℃.
Mechanical properties of EN 10083-3 51CrV4 alloy steel
Tensile strength σb (MPa): ≥1274(130)
Yield strength σs (MPa): ≥1127(115)
Elongation δ5 (%): ≥10
Reduction of area ψ (%): ≥40
The hardness of EN 10083-3 51CrV4 alloy steel : hot rolled, ≤321HB; cold drawn + heat treatment, ≤321HB.
EN 10083-3 51CrV4 alloy steel (1.8159) has good mechanical properties and process properties, high hardenability, adding vanadium to refine the grain of the steel, reduce overheat sensitivity, improve strength and toughness, EN 10083-3 51CrV4 Alloy steel has high fatigue strength and high yield ratio, but it has poor weldability and low cold deformation plasticity.
