Katana are traditionally created from a specialised Japanese metal called tamahagane,[60] which happens to be designed from a traditional smelting method that ends in quite a few, layered steels with diverse carbon concentrations.[sixty one] This method will help remove impurities as well as out the carbon information from the steel. https://katanajapanesesword68912.blogdon.net/5-simple-techniques-for-handmade-katana-42646778