aluminum circle Al99.5 1.thickness:0.5-6.0mm 2. ... ,1100,3003 etc 4.temper:O,H12,H14,H24 aluminum circle Al99.5 Alloy : 1050,1060,1100,3003,8011 etc. ... ,temper or specification can be discussed at your request.aluminium circle can be used for cooking utensils, cooker, pan,pot, ... boiler,cookware making.also for road sign and traffic sign,and signal plate.Picture of packing picture 1 picture ...