... cookware 1050, 1060, 1070, 3003, 5052, 3105, 6061 aluminum circle,aluminum disc,aluminum round plate,aluminum round sheet,aluminium circles ... disc, Aluminum CircleMain SpecificationAlloyAA1xxx (AA1050, AA1070, AA1100,AA3003 etc.)HO,H12,H14,H24,HFTemperO, H14Thickmess0.5mm-4mmWidth/Diameter100mm-1200mmStandardGB/T ... for the cookware and the road sign 3003 HO alloy aluminum circles for road sign