hdg,ppgi,gl,gi,ga,colour coated steel sheet,coil, galvanized steel coil ... are applied in a continuous process known as Coil Coating.The steel thus produced in this process is a ... part could eliminate this defect. c. Thickness of coating layer should be taken into account when setting the ... clearance between punch and die. d. As the coating appliqué may become fragile when temperature is too low, ...