ASSAB 440C

ASSAB 440C is a high carbon, high chromium, standard martensitic stainless steel.

Suitable for parts requiring a combination of very high wear resistance and good corrosion resistance such as:

  • Mould and Dies, for instance:
    – Plastic injection molds for corrosive resin containing high glass-fibre content
    – IC mold parts
  • Other applications like:
    – Injection components
    – Custom Hand knives and Machine knives
    – Valves, Actuators and Bearings
    – Structure parts

 

 

  • Very high wear resistance with high hardness
  • Good toughness and ductility
  • Good machinability
  • Good dimensional stability
  • Good corrosion resistance
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Chemical composition
Carbon 1.05 Silicon 0.40 Manganese 0.40
Chromium 16.70 Molybdenum 0.50
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