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
Configure & Buy
Chemical composition
Carbon 1.05 Silicon 0.40 Manganese 0.40
Chromium 16.70 Molybdenum 0.50

My account settings

Please have a little patience. Your request is being processed.

Please use a browser that is not outdated.

You are using an outdated web browser.

Errors may occur when using the website.