Aluminum coil 5052 h34 is of 2.72g/cm3 and 0.2mm to 8mm thick. As a typical aluminum magnesium alloy, it contains a small amount of manganese, chromium, beryllium, titanium, etc. Although a small amount of manganese dissolves, most of it forms mnal6. The effect of chromium in 5052 aluminium is similar to that of manganese: to improve the ability of stress …