FREE CUTTING CORROSIONNRESISTING ALUMINIUM BASE MATERIAL HAVING EXCELLENT GROWING PROPERTY AND PEELING RESISTANCE OF ANODIC OXIDATION TREATMENT COATING AND ITS PRODUCTION PREATMENT

摘要

PURPOSE:The free cutting corrosion-resisting Al material containing the specified amounts of Mg, Si, Cr, Pb and Sn, of which the anodic oxidation treatment coating dose not peel off even if it is heated to a high temperature after the anodic oxidation treatment has been applied to it and the growing property of the coating is excellent.