Uddeholm Carmo


    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 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

    Uddeholm Carmo

    • Abrasive wear resistance 20%
    • Adhesive wear resistance 30%
    • Ductility/edge chipping resistance 85%
    • Toughness/gross cracking resistance 80%

    Reference grade Cold Work (D2)

    • Abrasive wear resistance 55%
    • Adhesive wear resistance 25%
    • Ductility/edge chipping resistance 20%
    • Toughness/gross cracking resistance 10%
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    Chemical composition
    Carbon 0.60 Silicon 0.35 Manganese 0.80
    Chromium 4.50 Molybdenum 0.50 Vanadium 0.20
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