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Uddeholm Calmax

A ROBUST COLD WORK TOOL STEEL FOR HEAVY DUTY BLANKING AND FORMING

Uddeholm Calmax is a 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 Calmax a robust cold work tool steel for heavy duty blanking and forming.

  • Uddeholm Calmax is very useful for severe cold work applications where there are very high demands on chipping resistance
  • Reduced maintenance and downtime costs combined with increased productivity due to the reduced likelihood of premature failures.
  • Reduced maintenance and downtime costs combined with increased productivity due to simplified maintenance procedures
  • Good weldability and the availability of welding electrodes with the same chemical composition as Uddeholm Calmax
  • Good flame-, induction- and laser hardenability
  • High toughness and ductility
  • Good wear resistance (adhesive-mixed wear profile)
  • Good through hardening properties
  • Good stability in hardening
  • Good weldability
  • Good flame-, induction- and laser hardenability
  • General blanking and forming
  • Heavy duty blanking and forming
  • Coining
  • Cold extrusion dies with complicated geometries
  • Rolls for embossing
  • Shear blades
  • Tablet pressing
  • Prototype tooling

Uddeholm Calmax

  • Abrasive wear resistance 33%
  • Adhesive wear resistance 65%
  • Ductility/edge chipping resistance 75%
  • Toughness/gross cracking resistance 55%
  • Hardness (HRC) max 65%

Reference grade Cold Work (D2)

  • Abrasive wear resistance 55%
  • Adhesive wear resistance 25%
  • Ductility/edge chipping resistance 20%
  • Toughness/gross cracking resistance 10%
  • Hardness (HRC) max 62%

Chemical composition

Carbon.6Chrome4.5
Silicon.35Molybdenum.5
Manganese.8Vanadium.2

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