I’m gradually upgrading all my cooking gear from aluminum to stainless steel. Ive been waiting for some time to locate a stainless mess tin set (Dixie cups). I just wanted to post pictures of the differences between aluminum and stainless in wall thickness and sizes.

stainless on bottom
stainless on left
stainless on right
stainless rim size on bottom
stainless front the handles tend to sit higher
stainless right with curled edges. not quite as deep in the dish
matching stainless cup
British Army Mess Tins
USGI Stainless steel Canteen Cup Genuine Military Issue