What is 1.8159 (51CrV4)
With us you can buy this material in an annealed design, so that after machining each component can be hardened individually. In this case, tensile strengths of 800-1300 N / mm² can be achieved - depending on the cross section - which makes the components harder than for example the usual engineering steel 1.7225. A small amount of silicon is added to obtain a corresponding elasticity at a high hardness at the same time. EU material from stock.
1.8159 is popularly known as AISI 6150.
International identifiers
Properties of the material 1.8159 (51CrV4)
Properties
| Wear resistance | good (in a hardened condition) |
| Weldability | weldable |
| Toughness | very good |
| Corrosion | resistance low |
| Machinability | good (in the annealed condition) |
Mechanical properties
Soft annealed: hardness according to Brinell: <285 HB
Physical properties
| Density in kg/dm3 | 7,7 |
| Electrical resistance at 20°C in (Ω mm2)/m | 0,19 |
| Elasticity (103 MPa) | 210 |
| Thermal conductivity at 20°C in W/(m K) | 42,6 |
| Specific heat capacity at 20°C in J/(kg K) | 470 |
Processing
| Spent processing | is possible |
| Nitriding | is possible |
Calculate the weight quickly and easily
Heat treatment 1.8159
Hot forming
Temperature range: 1050–850 °C
Examples: Forging
Very slow cooling in air afterwards
Normalizing
Temperature: 870–900 °C
Subsequent air cooling
Soft annealing
Temperature: 680–720 °C
Subsequent slow cooling in the furnace
Quenching and tempering
Temperature: 820–860 °C
Subsequent quenching in oil
Alternatively: Quenching in an equivalent aqueous polymer solution
Tempering
Temperature: 540–680 °C
Subsequent air cooling
Chemical composition of 1.8159
| 1.8159 51CrV4 | C | Si | Mn | P | S | Cr | Mo | Ni | V |
|---|---|---|---|---|---|---|---|---|---|
| min. | 0,47 | 0,4 | 0,9 | 0,10 | |||||
| max. | 0,55 | 0,4 | 0,7 | 1,2 | 0,25 |
Areas of application for 1.8159
Instructions for use
- Camshafts: Suitable due to their high strength and good wear resistance.
- Racks: Suitable for highly stressed components that require high strength and toughness.
- Pinions: Suitable due to their high strength and good toughness under dynamic loading.
- Wrenches: Suitable due to their good toughness and high strength, enabling reliable power transmission.
- Rocking knives: Suitable for mechanically stressed cutting tools due to their good toughness and strength.
- Scissors: Suitable for durable cutting edges due to their high strength and wear resistance.
Areas of application
- Automotive industry
- Mechanical engineering
- Gear manufacturing
- Production of high-strength components with good toughness
Form of supply and availability of 1.8159
In stock
Immediately available from stock
Form of supply
Flat, forged, annealed
Sawn blank
The processing with the saw is a mechanical processing of the material, which results in a significantly lower unintended deformation and increased hardness for the existing structure, such as the thermal cutting.
Thus, the machined workpiece has a homogeneous structure even at the edge, which does not change in the continuation of the material.
This circumstance allows immediate finishing of the workpiece with milling or drilling . So it is not necessary to anneal the material or make a similar operation beforehand.
![[Translate to Englisch:]](/fileadmin/user_upload/produkt-fotos/1.8159_Flachstahl.jpg "[Translate to Englisch:]")
![[Translate to Englisch:]](/fileadmin/user_upload/produkt-fotos/1.8159_Stahlzuschnitt.jpg "[Translate to Englisch:]")
Frequently asked questions about material 1.8159:
The former German designation was 50CrV4, while under the current European standard (EN), it is generally designated as 51CrV4.
Internationally, it is often equivalent to the US standard AISI 6150 (or 6145) and the Japanese standard SUP10.
It is a chromium-vanadium alloyed spring steel or quenched and tempered steel, characterized by a high yield strength and excellent fatigue resistance.
Notice: Specifications contained in following data sheet are provided as a description, liability is excluded!