AA6000 ALUMINIUM SHEET METHOD

摘要

A method of converting an ingot of a 6000 series aluminium alloy to self- annealing sheet, comprises subjecting the ingot to a two-stage homogenisatio n treatment, first at at least 560 ~C and then at 450 ~C to 480 ~C, then hot rolling the homogenised ingot at a starting hot roll temperature of 450 ~C t o 480 ~C and a finishing hot roll temperature of 320 ~C to 360 ~C. The resulti ng hot rolled sheet has an unusually low Cube recrystallisation component.