N'adịghị ka usoro iwepụ ihe onwunwe, aluminom extrusion bụ usoro nhazi.Na extrusion, aluminom raw raw na-ebu ụzọ kpoo ọkụ wee mee ka ọ bụrụ akụkụ achọrọ site na iji ebule ịkwanye ya site na ịnwụ.Aluminom extrusion na-eji gburugburu ebuka nke aluminom ma ọ bụ aluminom alloy, nke a na-akpọ "billets", na-emepụta akụkụ nwere n'ofe cross-section profaịlụ na shapes.
N'ụzọ bụ isi, usoro extrusion aluminom chọrọ naanị ọkụ na pịa nwere anwụ.Maka extrusion, a na-ebu ụzọ kpoo billet ahụ ka ọ bụrụ nnukwu okpomọkụ iji mee ka ọ dịkwuo ductile.Okpomọkụ ahụ nwere ike ịdị nso n'ime ụlọ ma ọ bụ dị elu ka okpomọkụ recrystallisation.Dabere na ọnọdụ okpomọkụ a, a na-akpọ usoro ahụ oyi, ọkụ ma ọ bụ ọkụ extrusion.