A1050 A1060,A1070,A1100,A3003 Temper O,can offer different sizes according to customers' request. Alloy: 1050, 1060, 1070,1100,3003Temper: O, H22, H24Thickness: 0.5mm-10.0mmDiameter: 20-1200mm Application: cooker, frypan, basin,reflector of the light, etc. ALuminum disc