Apr 24, 2022 · 5mm thick 5083 aluminium alloy sheet belongs to Al-Mg-Si aluminum alloy. In addition to aluminum, the main mponents are magnesium and silicon. Magnesium exceeding 4.0% makes the 5083 aluminium 5mm sheet have excellent rrection resistance and is easy to weld. By adding pper, the 5083 aluminum sheet has a nductivity of 28%.