The Tin provides the Mild Steel with a protective layer that prevents corrosion, and also makes the metal more aesthetically pleasing. When working with Tinplate it is importand not to scratch the metal as this will remove the Tin fromn the Mild Steel, and allow the metal to rust.

Will Bright steel rust?

Since bright chains do not have any finishes or coatings, it is less expensive than other types – particularly stainless steel. While this lack of protective coating does make the metal quite susceptible to corrosion and rusting, bright or self-colored chains are also stronger and more durable than galvanized steel.

How do you keep bright steel from rusting?