Dị ka ụdị aluminom ngwaahịa, aluminom billet nwere ike iji dị ka akụrụngwa nke aluminum extrusion ma ọ bụ forging.
The mmepụta usoro nke aluminum billet na-agụnye agbaze, ọcha, adịghị ọcha mwepụ, degassing, slag mwepụ, wdg N'ikpeazụ, ọ na-mma na-atụba n'ime iche iche nkọwa nke gburugburu billet site miri ọma nkedo usoro.