Characteristics NAK80 steel: Steel -NAK80 patent Datong Steel Corporation of Japan is pre-hardened plastic mold steel.
Factory hardness can reach HRC37-43. Has good optical performance and carving of throwing, EDM Good
Use NAK80 steel: Use in mirror-polished mold, anti-dust, TV filter plate, cosmetics boxes,
Precision mold processing wrinkles, office automation equipment, automotive parts EDM die.

Features NAK80 steel: without heat treatment, polishing of optical excellent machinability, corrosion spend resistance.

Hitachi grades
  Chemical Composition
 
C
  Si
  Mn
  Cr
  Ni
  Mo
  Al
  Cu
  S
 
NAK80
  0.05-0.25
  0.10-0.7
  1.00-2.00
  0.30
  2.00-4.00
  0.20-0.5
  1.00
  1..00