Uddeholm Impax Supreme

VERY GOOD POLISHING AND PHOTO ETCHING PROPERTIES

Uddeholm Impax Supreme is prehardened mold steel with very good polishing and photo etching properties. It is suitable for a wide range of injection molds, blow molds and extrusion dies for plastic. Uddeholm Impax Supreme is supplied at 290-330 HB. In east/south east asian countries served by Assab, Uddeholm Impax Supreme is sold as AS 718 Supreme.

  • Prehardened gives following benefits:
    • No hardening risks
    • No hardening costs
    • Time saving, e.g. no waiting for heat treatment
    • Lower tool cost (e.g. no distortion to rectify)
    • Modifications easily carried out
  • Can be subsequently nitrided to increase surface wear resistance or locally flame hardened to reduce surface damage
  • Good polishing and photo-etching properties
  • Good machinability
  • High purity and good homogeneity
  • Uniform hardness
  • Sustainable tool steel: 96,44% recycled content
uddeholm-hot-work_die-casting.jpg

Uddeholm Impax Supreme

  • Machinability 50%
  • Wear resistance 30%
  • Corrosion resistance 60%
  • Toughness 90%

  • Hot wear resistance 0%
  • Plastic deformation resistance 0%
  • Heat checking resistance 0%
  • Premature cracking resistance 0%

Designations

Chemical composition

C Si Mn Cr Mo Ni
0.37 0.30 1.40 2.00 0.20 1.00

Contact us for further information

Contact Uddeholm USA Sales