Hot-akpọre enweghị enweghị nkebi ígwè anwụrụ si tube na ngwaahịa n'ozuzu chọrọ abụọ kpo oku, nke perforated tube tupu na mgbe kpo oku na Rolling oghere ọkpọkọ dayameta na a nyere tupu kpo oku; mmepụta nke oyi na-atụ (dọrọ) ​​mgbe ọkpọkọ na-achọ ka a na-eme ka ọ bụrụ ihe nkwụsịtụ nke etiti iji kpochapụ nrụgide fọdụrụnụ; ígwè maka ụfọdụ ihe pụrụ iche chọrọ, iji melite n'ibu Njirimara nke ígwè ọkpọkọ na melite nhazi na usoro arụmọrụ, kamakwa okpomọkụ ọgwụgwọ ya. A na-ahụkarị tube (pipe) kpo oku tube ntụpọ adịghị ekwekọ ekwekọ, oxidation, decarbonization, kpo oku cracks, ekpo oke ọkụ, n'elu-ọkụ.

kpụ ọkụ n'ọnụ n'ihu perforated tube, na nzube ya bụ melite ductility; belata nrụrụ mgbochi ígwè; nye ezigbo microstructure na-atụgharị. E nwere annular ọkụ tube ọkụ, reheating ọkụ, ọchịchọ hearth oven na ụgbọ ala ala ọkụ. Nyere ụkọ nke ọkpọkọ dayameta tupu reheating, nke Aims dịkwuo okpomọkụ nke tube na a edo ụkọ na melite ductility nke ígwè, ịchịkwa ya microstructure, ike mma ọnọdụ maka nne ọkpọkọ sizing na hụ na n'ibu Njirimara nke ígwè. Ụdị ọkụ na-ekpo ọkụ na-ekpo ọkụ nke ukwuu, ọkụ na-ekpo ọkụ na-aga n'ihu na-aga n'ihu, ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, ọkụ ọkụ na-emepụta ihe. Oyi-akpọre (dọrọ) ​​reheating hardening tumadi iji kpochapụ, ibelata deformation iguzogide. A na-ejikarị ọkụ ọkụ na-ekpo ọkụ na-ekpo ọkụ, ọkụ ala ụgbọ ala, ọkụ rola na-aga n'ihu. Na mmepụta nke tubes ígwè na-enweghị ntụpọ, ọkụ annular na ọkụ ọkụ na-ekpo ọkụ bụ nke a na-ejikarị eme ihe ugbu a; A na-emepụtakwa ọkụ induction ọkụ eletrik; Igwe ọkụ na-ekpo ọkụ na-achọsi ike n'ihi na àgwà adịghị elu, na-arụ ọrụ siri ike ma na-ekpochapụ ya. Igwe ọkụ na-aga n'ihu na-aga n'ihu na-ejikarị eme ihe na oyi na-atụ (dọrọ) ​​ọgwụgwọ okpomọkụ nke ígwè; ụgbọ ala ala ọkụ kwesịrị ekwesị maka obere batches, okpomọkụ ọgwụgwọ oge bụ ogologo kpo oku na mkpuchi oké-walled alloy ígwè anwụrụ; echebe gas na-aga n'ihu rola hearth ọkụ bụ tumadi na-eji nchara elu na-achọ okpomọkụ ọgwụgwọ na oyi okokụre ígwè enweghị ọxịdashọn (dọrọ) ​​n'oge pickling usoro annealing.