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