Uddeholm UK

Uddeholm Unimax


Uddeholm Unimax is a high hardness hot work tool steel which provides great wear resistance even over extended time at elevated temperatures. It performs very well in precision forging and hot stamping. <ul> <li>Improved durability and wear resistance in moulding processes that wear hard on the mould like, long run production, moulding of reinforced plastics and compression moulding</li> <li>Longer tool life and a smoother production run with fewer disturbances for maintenance due to the high ductility</li> <li>Problem solver in severe cold work applications where high chipping resistance is required</li> <li>The high hardness and toughness together with the good dimension stability makes Unimax suitable as a substrate steel for surface coating when needed</li> <li>The very good hardenability and the unique properties profile of Unimax make it especially suitable for larger moulds. Unimax is therefore supplied in larger dimensions</li> </ul>
  • Excellent toughness and ductility in all directions
  • Good wear resistance
  • Good dimension stability at heat treatment and in service
  • Excellent through-hardening properties
  • Good resistance to tempering back
  • Good hot strength
  • Good thermal fatigue resistance
  • Excellent polishability

Uddeholm Unimax

  • Corrosion resistance 30%
  • Wear resistance 80%
  • Polishability 80%
  • Toughness 60%
Chemical composition
Carbon .5 Silicon .2 Manganese .5
Chrome 5 Molybdenum 2.3 Vanadium .5
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