Cold Rolled Steel | Cold Rolling vs Hot Rolling | Hot Rolled Steel

the concept of cold-rolled and hot-rolled hot-rolled with continuous casting slab or slab as raw material, by step heating furnace, high-pressure water descaling after entering the roughing mill, roughing expected by the cutting head, tail, and then into the finishing mill, and the implementation of computer control rolling and finishing after laminar cooling and the winder, and became a straight hair volume. we are the professional manufacturer for roll forming machine in China and we export roll forming machinery all over the world. please check our other video for this machine in these links: https://www.