How to produce cookware with aluminum circle/ disc
The most wildly used aluminum grades are: 1050, 1060, 1100, 1200, 3003, 5052, 6061,8011. The aluminum states (temper) are O, H12, H14, H16, H18, etc. Pure aluminum circle 1050 are made of fresh aluminum ingot and the purity is over 99.5%, so it is also named 99.5 pure aluminum circles. For example, hot-rolled aluminum discs are suitable for the