Probably the most popular knife steel of the 20th Century. The first choice of almost all beginning knife makers and still the primary steel for the famous Randall Knives. O-1 is a simple and basic tool steel that can be hardened to well over 60 Rc. With .9% Carbon, 1% Manganese, 5% Chromium and .5% Tungsten. It is a great general purpose tool steel and is very forgiving to the inexperienced knifemaker. This oil-hardening tool steel can be used by both the blacksmith and the stock removal makers.
