... ,H16,H18,H24.etc. Diameter: 160-1250mm. Application: Aluminum disc, kitchen ware, lampshade. 2, Aluminum extrusion circle: Alloy: 1060,1100,3003, etc ... . Temper:O,H18,H22, etc. Diameter: 30-200mm Application: kitchen ware, electrical applicances, LED lighting shell, capacitor. etc.