... 2011 OEM investment aluminum casting flange1:OEM service available2:Material: aluminum,grey iron, ductile iron, carbon iron,zinc ,bronze, copper, brass,stainless steel3 ... :Standard: ISO, ANSI, ASTM,, JIS, DIN, GB4:Weight Range: 0.1kg-2000kg5:Process Type: sand casting, investment casting,water glass casting,high ...