
What is the difference between 4040 and 8020?
The core difference between 4040 and 8020 aluminum profiles lies in the cross-section size, load-bearing capacity, application scenarios and structural characteristics, which are analyzed as follows: 1. Section Size and Appearance 4040 Aluminum Profile: the section is square, the size is 40mm×40mm, the edge design is flexible (e.g. right angle








