Katana are customarily created from a specialised Japanese metal identified as tamahagane,[sixty] that is designed from a conventional smelting system that results in a number of, layered steels with diverse carbon concentrations.[sixty one] This process can help clear away impurities and even out the carbon content material in the steel. https://japanese-handmade-katana90234.jiliblog.com/84099176/5-simple-techniques-for-handmade-katana