Uddeholm Impax Supreme

VERY GOOD POLISHING AND PHOTO ETCHING PROPERTIES

Uddeholm Impax Supreme is a prehardened tool steel with very good through hardness properties, combined with excellent toughness and easy of machining in its harden state. It is suitable for a wide range of hot work applications in the support or holder block areas. 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.

Benefits

  • No hardening risks
  • No hardening costs
  • Time saver, e.g. no waiting for heat treatment, direct to machining operations
  • Lower tool cost (e.g. no distortion to rectify)
  • Modifications easily carried out

If the application allows it can be subsequently nitrided to increase surface wear resistance or locally flame hardened to reduce surface damage.

Standard specification W.nr 1.2738 / AISI P20 / AFNOR 35 CND 7

General Information

  • Good surface finishes possible as high polishability
  • Good machinability
  • Good weldability
  • High purity and good homogeneity
  • Uniform hardness
  • Recycling rate 96,73%

Technical Data

Uddeholm Impax Supreme

  • Machinability 50%
  • Wear resistance 30%
  • Corrosion resistance 10%
  • Toughness 90%

Reference steel AISI H13

  • Machinability 40%
  • Wear Resistance 10%
  • Corrosion resistance 10%
  • Toughness 70%
C Si Mn Cr Mo Ni
0.37 0.30 1.40 2.00 0.20 1.00

Downloads

Uddeholm Impax Supreme - Technical brochure
PDF | 690 KB
Uddeholm Impax Supreme - Welding recommendations
PDF | 117 KB

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