How to identify the grade of aluminum alloy
Aluminum alloy is an important raw material in construction, daily necessities, decoration, automobile, aerospace and military fields, so the quality of aluminum alloy affects the quality of its downstream products.
How to identify the grade of aluminum alloy and buy qualified ones? There are seven simple tips to help you identify quickly.
1. Check the material of the aluminum alloy. If it is primary aluminum (smelted from raw ore), the cut surface is bright and shiny; if it is recycled aluminum or doped, the cut is dull and the color is impure.