alu casting mateiral alu die casting, sand casting or permanent casting T6 or T5 heat treatment casting,Investment castingCastings , CNC machined partsMaterials: aluminum,Lost wax casting sand casting permanent castingSurface treatments: sand painted, electrophoresis and zinc platedHeat treatments: t5 or t6 Machining: CNC turning, milling, CNC milling, CNC drilling and CNC boringWeight: 0.2 to ...