Yasuki Blue Steel (Aogami)
Yasuki White Steel (Shirogami) is a grade type of Japanese High Carbon Steel that have had the majorities of impurities removed. Yasuki Blue Steel(Aogami) is a higher grade type by adding tungsten and chrome to Yasuki White Steel(Shirogami). Knives made of Yasuki Steel is known to cut better and to be easier to sharpen.