CNC machining Part 1- Materials: gray iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum, bronze, brass, zinc2- Standard: JIS, ... , ASTM, BS3- Weight: 0.1 - 500kg4- Processes: sand casting, investment casting, die casting, permanent mold casting, forging5- Manufacturing equipment: cupola, electric furnace, resin-bonded ...