51crv4 1.8159

51CrV4 (1.8159) is a high-strength steel with excellent mechanical properties and wear resistance. Due to its high hardness and strength, it is widely used in the manufacture of various mechanical parts and tools. As a high-quality engineering material, 51CrV4 (1.8159) is widely welcomed in the industrial field.

In the manufacturing sector, 51CrV4 (1.8159) is used to manufacture a wide range of high-precision and high-strength parts. It can also be used to make mechanical parts such as wheels, springs, hammerheads, clamps and pulley. 51CrV4 (1.8159) also has excellent wear resistance and is suitable for the manufacture of high-speed rotating parts, such as high-speed milling machines and drilling presses.

In addition to manufacturing, 51CrV4 (1.8159) is also suitable for construction. It can be used to manufacture building materials such as sheets, rebar and building frames. Due to its high strength and corrosion resistance, it is also often used in the construction of building structures and Bridges in open sites.

Spring steel

Spring steel refers to the special alloy steel for the manufacture of various types of springs and other elastic components.

Good elasticity
Corrosion resistance
Fatigue resistance

Spring steel has excellent comprehensive properties

Mechanical properties

elastomechanical properties

Fatigue properties

Physical and chemical properties

The carbon content (mass fraction) of carbon spring steel is generally 0.62% to 0.90%.

According to its manganese content, it is divided into general manganese content (mass fraction)(0.50%~0.80%), such as 65,

70, 85 and higher manganese content (mass fraction)(0.90~1.20%),

Such as 65MN two categories.

The basic composition series of alloy spring steel are silicon manganese spring steel, silicon chromium spring steel, chromium manganese spring steel,

Chromium vanadium spring steel, tungsten chromium vanadium spring steel, etc. On the basis of these series, there are some grades in order to improve certain aspects of it

Alloy elements such as molybdenum, vanadium or boron are added.

Features and Scope of application:

Good mechanical properties and process properties, high hardenability, adding vanadium to refine the steel grain, reduce overheating sensitivity, strength

And toughness, with high fatigue strength, yield ratio is also high, but poor weldability, cold deformation plasticity is low. It's a kind of spring,

High load springs and operating temperatures for large cross sections

● Mechanical properties:

Tensile Strength ob(MPa):≥1274(130)

Yield strength os(MPa):≥1127(115)

Elongation δ5 (%):≥10

Section shrinkage (%):≥40

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