TC-358
Cold work tool steel suitable for surface hardening and car hoods forming dies.
Chemical Composition
| NO | DIN | C | Si | Mn | P | S | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|---|
| V’1.2358 | 60CrMoV18-5 | 0,58-0,62 | 0,20-0,50 | 0,70-0,90 | Max 0,025 | Max 0,05 | 4,30-4,70 | 0,40-0,60 | 0,20-0,30 |
Material Properties
- High Toughness.
- Very good hardenability.
- Good flame and induction hardenability
- Good weldability.
- Easy for maintenance.
- Good Polishability.
- Hardness up to 58 HRc.
- Simple heat treatment.
- Fast forming die making
Applications
- Car body dies
- Forming dies.
- Deep drawing dies.
- Blanking and forming segments.
- Segmented molds.
- Punches with complex geometry
- Shearing blades, tread rolls
- Cutting blades.
Heat Treatment
| HEAT TREATMENT | TEMPERATURE |
|---|---|
| Soft Annealing | 820-860°C |
| Stress Relieving | 600-650°C |
| Hardening | 950-980°C |
Physical Properties
| 20°C | 100°C | 200°C | 300°C | 400°C | |
|---|---|---|---|---|---|
| Elastic Modulus [kN/mm²] | 207 | - | - | - | - |
| Thermal Expansion Coefficient [10ˉ6/K] | - | 11,5 | 10,9 | 11,3 | 11,6 |
| Thermal Conductivity [W/mK] | 19,4 | - | 24,0 | 26,00 | - |
Delivery Condition
240 HB, Soft annealed.
Tempering Graph
