4 Things To Consider When Selecting a Tool Grade Steel
Oct 12, 2018· They exhibit good hardness, abrasion resistance, and deformation resistance. O-1 is an oil-hardening steel with high hardness and good machinability. This grade of tool steel is mainly used for items like cutting tools and drills, as well as knives and forks. A-2 is an air-hardening steel containing a medium amount of alloying material ...