1.8159 From Stock 50CrV4
The steel grade 50CrV4 is an alloy spring steel that is known for its high tensile strength and excellent toughness. It is widely used in the automotive and machinery industries, where it is used for various applications such as suspension springs, torsion bars, and stabilizer bars.
The properties of 50CrV4 make it an ideal material for applications that require a high level of durability and resistance to fatigue. Due to its high carbon content, it has excellent wear resistance, making it highly suitable for use in harsh environments where wear and tear are expected to be high.
Furthermore, this alloy spring steel is also known for its excellent machinability and weldability. It can be easily formed into various shapes and sizes, making it a versatile material that can be used for a wide range of applications.
Overall, 50CrV4 is a reliable and efficient material that can withstand the most extreme conditions without compromising its performance. It is an excellent choice for applications that require a high level of durability, toughness, and resistance to wear and tear. With its exceptional properties, it is no wonder that it is a popular choice among manufacturers in the automotive and machinery industries.
| Brand Name | Ravne No. | Mat. No. | DIN | EN | AISI |
| VCV150 | 732 | 1.8159 | 50CrV4 | 50CrV4 | 6145/6150 |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.51 | max. 0.40 | 0.90 | 1.05 | - | - | 0.18 | - | - |
Applications
- Springs
- Knives and blades
- Agricultural equipment
- Automotive components
- Construction materials
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103x N/mm2]: 210
Density [g/cm3]: 7.84
Soft Annealing
Heat to 640-720oC, cool slowly. This will produce a maximum Brinell hardness of 248.
Normalizing
Temperature: 840-880oC.
Hardening
Harden from a temperature of 820-860oC followed by oil quenching.
Tempering
Tempering temperature: 540-680oC.
Mechanical Properties in Hardening and Tempering Condition
| Diameter (mm) | 0.2 % proof stress (N/mm2) | Tensile strength (N/mm2) | Elongation (%) | Reduction of area (%) | Notch impact energy (ISO-V) (J) |
| <16 | 900 | 1100-1300 | 9 | 40 | 30 |
| 17-40 | 800 | 1000-1200 | 10 | 45 | 30 |
| 41-100 | 700 | 900-1100 | 12 | 50 | 30 |
| 101-160 | 650 | 850-1000 | 13 | 50 | 30 |
| 161-250 | 600 | 800-950 | 13 | 50 | 30 |
Forging
Hot forming temperature: 1050-850oC.
Machinability
Machining is best done with this alloy in the annealed or normalized and tempered condition. It can be machined by all conventional methods.
Corrosion Resistance
This is a low alloy steel and not a corrosion resistant alloy. Protective coating should be used.
Welding
The alloy can be fusion or resistance welded. Preheat and post heat weld procedures should be followed when welding this alloy by established methods.
Cold working
The VCV150 alloy may be cold worked, in the annealed condition, by conventional methods and tooling. It has good ductility.
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