ASSAB 718 HH

VERY GOOD POLISHING AND PHOTO ETCHING PROPERTIES

ASSAB 718 HH is prehardened mould steel with very good polishing and photo etching properties. It is suitable for a wide range of injection moulds, blow moulds and extrusion dies for plastic. ASSAB 718 HH is supplied at 340-380 HB. ASSAB 718 HH is suitable for applications that require mould steel of high ductility and high wear resistance.

 

  • Good polishing properties
  • Good photo-etching properties
  • Good machinability
  • High purity and good homogeneity
  • Uniform hardness

ASSAB 718 HH

  • Corrosion resistance 20%
  • Wear resistance 30%
  • Toughness 90%
  • Polishability 60%

Designations

Chemical composition

C 0.37 Si 0.30 Mn 1.40
S <0.01 Cr 2.00 Mo 0.20
Ni 1.00