| 摘要 |
The invention relates to a coated steel substrate for packaging applications, said substrate containing i). a conventional non-passivated electrolytic, optionally flowmelted, tinplate, or ii). a cold-rolled and recovery annealed electrolytic, optionally flowmelted, tinplate, characterised in that one or both sides of the substrate is coated with a chromium metal - chromium oxide coating layer produced in a single process step by using a trivalent chromium electroplating process, and to a process for obtaining said coated steel substrate. |
