Cast aluminum street lamp base Made of Aluminum,By sand casting or permanent mold casting,then sand blasted and ... alloy A356 ADC12Cast aluminum street lamp baseCan offer three types of molds die castings, sand castings and permanent mold casting (gravity ... , auto CAD, UG, CAD, PDF and solid works 2008 flow analysis Further machining work: turning, cutting, milling, grinding, drilling, reaming and ...