On Sat, 2 Aug 2003 18:17 Rob Bartlett wrote: >> "Tin" cans aren't really made out >> of tin anymore, or are they? The tuna cans >>look like steel to me. > >Steel and aluminum, I think; although tin might be a component of the >solder. Levels are higher in low acid foods (such as tomato products) >stored for an extended length of time. "Tin" cans are generally made of steel with a fine tin coating. Very fine - that's why they rust easily after a bit of weathering. Ring-pull cans appear to be aluminium. Keith