... AZ91D, AM50, AM60 3.Surface passivation Magnesium die casting product Magnesium die casting - auto partsmaterial AZ91D, AM50, AM60feature1) ... to excellent heat dissipation performance;6) Excellent die casting performance,thinner walls can be cast approximate 0 ... .6mm;7)Excellent cutting performance.workmanship Die-casting , Polishing , Thread drilling surface treating passivationfunction1 ...