Pipe famfo jiki casting yana nufin narkewar karfe mai ƙarfi zuwa ruwa zuba a cikin wani siffar da aka zuba nau'i, sa'ad da shi ya kara kara. Cast karfe ne: jan ƙarfe, baƙin ƙarfe, aluminum, tin, gubar da sauransu, da yau da kullun cast irin kayan ne asali yashi, lãka, ruwa gilashi, resin da sauran taimakon kayan.