Rolled plates are one of steel sheets, and are actually thin steel sheets that are long and narrow and supplied in rolls. The coil and flat plate are almost like a cut-and-pack cold hard coil plate. The hot-rolled coil plate is obtained by pickling and cold rolling. It can be said to be a type of cold rolled coil. Cold-rolled coil (annealed state): The hot-rolled coil is obtained by pickling, cold...