1.2358, 60CrMoV18-5 - Tool steel for cold working
| Standard | Steel Grade | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chemical composition % | |||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Mo: | V: | ||
| DIN/EN | 1.2358 - 60CrMoV18-5 | ||||||||
| 0.58 - 0.62 | 0.7 - 0.9 | 0.2 - 0.5 | <0.03 | <0.03 | 4.3 - 4.7 | 0.4 - 0.6 | 0.2 - 0.3 | ||
60CrMoV18-5, 1.2358 - specification and application
Chrome-vanadium tool steel for cold working with high hardenability, shock resistance, high strength, wear resistance and dimensional stability after heat treatment. It does not exhibit high hardness compared to high carbon steels. Weldable and susceptible to grinding, polishing, delivered in heat treated condition with hardness 30-34HRC.
Grade used for injection moulds for the production of plastics, tools for cutting and machining plastics, dies, scissors, cutting blades, punches, tools with complex shapes for cold forming, inserts. Material 1.2358 is an excellent alternative to NMV, NCLV or NC11LV.
Mechanical properties of 60CrMoV18-5, 1.2358
- Hardness in annealed condition +A: <235HB
- Hardness after hardening and tempering at temperature:
- 200C = 58HRC
- 300C = 56HRC
- 350C = 55HRC
- 500C = 53HRC
- 550C = 50HRC
- Thermal conductivity 200/400C = 27/13 W*m*K
- Thermal capacity, cp 20/200/400C = 455/525/608 J*Kg*K
Heat treatment - processes and temperatures:
- Softening annealing at a temperature of 820 - 860C
- Stress relief annealing at a temperature of 600 - 650C
- Hardening at a temperature of 950-970C with cooling in oil or salt bath
- Tempering at temperature of >180C