Materials and methods for manufacturing swords

First, you need to prepare a piece of steel (medium carbon steel, high carbon steel, manganese steel) of about 3kg, hot forging it into the prototype of the sword, then heat treating it (water quenching, oil quenching, covering the soil and burning the blade), then flattening the blade, polishing it until it is fine and bright, and then making the sheath according to the size of the blade (rosewood, ebony, ebony, acid).