... foam castShell-core castElectric-furnace smeltingGrey ironcastingsASTM A48-No.20,25,30 etc.DIN GG10,GG15,GG20,etcJIS FC10,FC15,FC20 ... -sand mouldingLost foam castShell-core castElectric-furnace smelting2.Product description : • 25-year experiences • product name :malleable iron casting pipe fitting • applicable material ...