Galvanized steel has been used for almost 2,000 years because of its unrivaled ability to last a very long time and resist rust. Hot dipped galvanized steel and electroplated galvanized steel are made using different methods and their zinc galvanized coatings corrode completely differently. Difference between aluminum and galvanized steel is obtained by comparing the properties of both. Aluminum is a metal, and it has all the attributes of metal – that are: It is ductile, corrosion resistant, flexible and a good thermal conductor. Aluminum is also weather resistant, and can be ... You are being redirected to the AHRI Directory website. The AHRI reference number has been copied to your clipboard. Paste the number into the search box and click Search to obtain the certificate.