Sanyi zana bututun ƙarfe mara nauyitsari: zagaye tube → dumama → ​​perforation → Take → Annealing → pickling → ​​mai (jan karfe) → Multi-pass sanyi zane (sanyi birgima) → blank tube → zafi magani → mikewa →hydrostatic gwaji (gwaji) ) → mark → ajiya.

Bututun ƙarfe da aka zana sanyi yana tare da naɗaɗɗen ƙarfe mai zafi a matsayin ɗanyen abu, kuma tandem sanyi birgima don cire sikelin oxide, juzu'in jujjuyawar sa mai ƙarfi, jujjuya juzu'i mai ƙarfi saboda ci gaba da nakasar sanyi da ke haifar da ƙarfin sanyin sanyi, taurin ƙãra alamun sun ƙi. filastik mai tauri, aikin hatimi zai lalace, wanda kawai za'a iya amfani dashi don sauƙaƙa nakasu na sassa.Ana iya amfani da mirgina mai wuya a matsayin albarkatun ƙasa na shuka galvanizing mai zafi mai zafi, layin galvanizing mai zafi yana saita layin annealing.Nauyin mirgina mai wuya gabaɗaya shine ton 6 zuwa 13.5, diamita na coil 610mm.

Maƙallan sanyi na gabaɗaya, ƙarar yakamata ya bi ta ci gaba da saɓawa (CAPL unit) don kawar da taurin sanyi da damuwa mai juyi, ko cirewar batch isa ga kayan injin daidai daidaitattun ƙayyadaddun ƙayyadaddun.Cold birgima ingancin saman surface, bayyanar, girma daidaito fiye da zafi-birgima farantin, da dama-birgima bakin ciki samfurin kauri ne game da 0.18mm, don haka mafi yawan masu amfani yarda.Cold birgima karfe nada substrate kayayyakin zurfin sarrafa high darajar-kara kayayyakin.Irin su electro-galvanized, zafi tsoma galvanized, electro-galvanized yatsa resistant, fentin karfe yi damping hada karfe, PVC laminating karfe faranti, da dai sauransu, don haka da cewa m ingancin wadannan kayayyakin yana da kyau, high jure lalata, da aka yadu amfani.Cold birgima mai na'ura mai karewa bayan annshe, yanke kai, wutsiya, datsa, lallashi, santsi, girma mai nauyi, ko allo mai tsayi.Ana amfani da samfuran da aka yi da sanyi sosai a masana'antar kera motoci, kayan aikin lantarki na gida, kayan kida, masu sauyawa, gine-gine, kayan ofis da sauran masana'antu.Kunshin madaidaicin farantin karfe na nauyin tan 3 zuwa 5.Ƙaƙƙarfan ƙaramin juzu'i yawanci 3 zuwa 10 ton / girma.Diamita na Coil 6m.