This standard specifies the classification and representation methods, tolerances for size and shape, technical requirements, inspection, packaging and delivery of cold-rolled tinplate. This standard is applicable to primary cold-rolled and secondary cold-rolled tinplates of low carbon steel supplied in sheet and coil form. The nominal thickness is a multiple of 0.0005mm, and the nominal width is not less than 500mm; 0.17~0.55mm; the thickness of the secondary cold-rolled tin plate is 0.14~0.29mm.