ASSAB 618 is a prehardened mould steel suitable for use as

  • Injection moulds for thermoplastics
  • Extrusion dies for thermoplastics
  • Blow moulds
  • Forming tools, press-brake dies (possibly flame hardened or nitrided)
  • Aluminium die casting prototype dies
  • Structural components, shafts
  • Good polishing and photo-etching properties
  • Good machinability
  • High purity and good homogeneity
  • Uniform hardness
Chemical composition
C 0.37 Si 0.30 Mn 1.40
S =<0.015 Cr 2.00 Mo 0.20
Ni 1.00
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