... ,Aluminum Sand Casting Process with Precision Molds and Tooling,black powder coat on surface. Material: A356 aluminum alloy Die, sand and mold ... , sand castings and permanent mold casting (gravity or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD, PDF and solidworks ... /month Motorcycle engine parts,aluminum sand casting,T6 heat treatment,black powder coat