Tinplate, thin steel sheet with a coating of tin applied either by dipping in molten metal or by electrolytic deposition; almost all tinplate is now produced by the latter process. Tinplate made by this process is essentially a sandwich in which the central core is strip steel.Food Cans (such as tea, cookie, tomato paste, fruites, coffee, wine, etc.) Industrial Cans (paint cans, chemical cans, lube containers) General Line Packaging (aerosol can, gift cans, stationery box, etc.)