Machining of Aluminum and Aluminum Alloys NIST
easier to machine a good finish than those in the annealed condition Heat Treatable Alloys Most of the al loys of this group contain fairly high per centages of alloying elements such as cop per silicon magnesium and zinc They can be machined to a good finish with or with out cutting fluid but a fluid is rec ommended for most operations Turnings usually occur as long