Lingenhöle Technologie
heat treatment: case hardening

Case hardening

With case hardening, the edge of a component is carbonized with a carbon-releasing medium and then quenched. If nitrogen is then added, the process is called carbonitriding.

Advantages of this heat treatment

  • High surface hardness, tough core
  • Improves mechanical characteristics
  • Improves resistance to wear and tear
  • Increases tensile strength


  • Low-alloy steels
  • Case-hardening steels

Available plant sizes

Length 500 mm, diameter 800 mm, height 500 mm

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