A deep guide to tamahagane steel and the evolution of Japanese knife steels — from traditional tatara iron sand smelting through White and Blue carbon steels, stainless alloys like VG-10, and modern powdered steels including HAP-40 and ZDP-189.
A practical guide to sushi and sashimi knives covering yanagiba, deba, and ko-deba profiles, Blue Steel No.2, White Steel No.2, and Gingami No.3 options, plus technique basics, single-bevel sharpening, and verified product picks.
