1、 How to judge the quality of aluminum
Check the oxidation degree: when purchasing, you can scratch the surface of the profile to see if the oxide film on the surface can be wiped off.
Chromaticity: The color method of the same aluminum alloy profile should be consistent. If the color difference is obvious, it should not be purchased.
Check the flatness: check the surface of aluminum alloy profiles to see if there is any depression or bulge.
Look at the strength: when selecting and purchasing, you can bend the profile moderately by hand. If you bend the profile without effort, you can determine that the strength of the aluminum profile is not up to standard.
2、 How to calculate the weight of aluminum profiles
The weight of industrial aluminum profile can be weighed by a scale. If it is a drawing, the volume of aluminum profile to be used needs to be calculated according to the drawing, and then multiplied by the density of aluminum profile to get the weight to be used.
