Which alloys are suitable for an anodized aluminium sheet for engraving? Usually there are 3003 and 5052, also known as corrosion resistant aluminium sheet plates. In particular, 3003 H24 anodized aluminium sheet metal is applied frequently. The thickness of an anodized aluminium sheet for engraving should be at least 2.5mm and above. China national standards say that no aluminium sheets …