They are both pretty hard to chew, and have little nutritional value. But seriously, it depends on what the application is. Aluminum is lighter. Stainless has other advantages. Each material corrodes...
There is a device called adata-couple which is comprised of an explosive bonded steel and aluminum strips or in the form of thi plates plates which allow for the connection of steel and aluminum by...
Steel is a composition of (primarily) Carbon and Iron. The more carbon, the harder, less ductile the steel. Stainless steel is Carbon, Iron and Chromium, that is galvinized (diped into zinc, which...
Aluminium corrodes and is covered in a layer of white which is like aluminum's version of rust. this process is called oxidisation. however, OBVIOUSLY stainless steel does not, hense the name...