420HC steel should not be mistaken for regular 420 steel. 420HC is stainless steel from American manufacturer Latrobe Specialty Steel. 420HC has higher carbon content than regular 420 stainless steel. The HC means high carbon - carbon content is 0,46%. 420HC steel can be brought to a higher hardness than regular 420. Steel 420HC is used for example by Buck Knives or Gerber Knives.

Steel composition: 0,46% Carbon, 13% Chromium, 0,4% Manganese, 0,4% Silicon, 0,3% Vanadium

Knives with 420HC steel here