Uddeholm Carmo
COST EFFICIENT TOOL MAKING
Uddeholm Carmo is a prehardened medium alloyed tool steel suitable for short and medium run tooling in applications where a very high chipping resistance is required. The property profile makes Uddeholm Carmo a robust cold work tool steel for heavy duty blanking and forming. It is delivered prehardened to 240-270 HB.
- Short tool making lead times
- Safe and consistent production
- Cost efficient tool steel for tool making / production
- The prehardened delivery condition makes flame- , induction or laser hardening easier
- High reliability for tools in severe cold work applications where there is a high risk of chipping
- Reduced maintenance and downtime costs combined with increased productivity due to the reduced likelihood of premature failures.
- Good weldability and the availability of welding electrodes with the same chemical composition as Uddeholm Carmo.
- High toughness and ductility
- Good wear resistance (adhesive-mixed wear profile)
- Good through hardening properties
- Good stability in hardening
- Good weldability
- Very good flame-, induction- and laser hardenability
- Abrasive wear resistance 10%
- Adhesive wear resistance 10%
- Ductility edge chipping resistance 100%
- Toughness gross cracking resistance 100%
Reference grade Cold Work (D2)
- Abrasive wear resistance 55%
- Adhesive wear resistance 25%
- Ductility/edge chipping resistance 20%
- Toughness/gross cracking resistance 10%
Chemical composition
| Carbon | 0.60 | Silicon | 0.35 | Manganese | 0.80 |
| Chromium | 4.50 | Molybdenum | 0.50 | Vanadium | 0.20 |
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