1 1050 1060 1070 1100 aluminium circles 2 Perfect for deep drawing, spinning 3 sample free, ... of our clients.Our circles are excellent material for producing cookware, utensil, pots, pans and kettles.Chemical Composition (WT.%)AlloyMin.ALSiFeCuMnMgCrNiZnCaVTi105099 ... -1020--1200mmGB/T91-2002Production Process 1000 series coated button shape aluminium circle