Coil is a type of plate in steel, which is actually a long, narrow sheet of steel supplied in rolls, 

For rolls and tablets, the handicap is a cut package; 

Cold coil is hot rolled coil after pickling, cold rolled. Can be said to be a cold rolled coil. 

Cold rolled coil (annealed) : hot rolled coil is obtained by pickling, cold rolling, hood annealing, leveling and finishing.