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Case Hardening

Bluewater specializes in a wide variety of thermochemical treatments in which we create durable, wear resistant finishes on shaped carbon and ferrous alloy steels. Case Hardening, also known as surface hardening, is the process utilized to construct a hardened exterior shell and strong ductile core on low carbon steels in an effort to improve abrasion resistance, wear-resistance and fatigue strength. Some variations of this process include carburizing, carbonitriding, nitrocarburizing and nitriding.

Case Hardening Features:

  • Mass production compatible
  • Ability to retain a tough, ductile inner core while creating a hard, wear resistant outer case
  • High fatigue strength
  • High wear resistance
  • Uniform case depth on all surfaces
  • Not prone to adhesion or bonding strength problems associated with coatings or platings
  • Can be used with low cost grades of steel
  • Eliminates cracking and higher cost issues associated with hardening thick sections of steel

Case Hardening Applications:

  • Carbon or steel parts which require a hard outer surface in order to resist the normal wear and tear associated with high impact environments
  • Gears
  • Camshafts
  • Engine driven components
  • Generator parts
  • Mining equipment
  • Construction equipment
  • Railroad spikes
  • Fasteners
  • Wheels
  • Machine tools

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