Knives 440A steel

Knives with 440A steel. 440A is higher quality steel compared to basic 420 steel. 440 stainless steel is also used especially for knives of lower price category. Slightly better edge holding ability and wear resistance than 420, as 440 series steels achieve higher hardness - usually from 55 to 59 HRC. Carbon content 0,65 - 0,75%. If the knife producers mentions 440 steel, it usually means 440A steel.

Steel composition: 0,65 - 0,75% Carbon, 16 - 18% Chromium, 1% Manganese, 1% Silicon, 0,75% Molybdenum, 0,04% Phosphorus, 0,03% Sulfur