Hanyar samar da bututu mara ƙarfi
1. Menene ainihin matakai don samar da bututun ƙarfe maras kyau?
① Shirye-shiryen Blank ② Bututu mai dumama ③ Perforation ④ Birgima bututu ⑤ Girma da rage diamita ⑥ Kammala, dubawa da marufi don ajiya.
2. Menene sassan samarwa don bututun ƙarfe mara nauyi mai zafi?
Ci gaba da birgima, giciye birgima
Yaya ake rarraba bututun ƙarfe bisa ga amfanin su?
Transmission bututu (GB / T 8163): man fetur da kuma iskar gas watsa bututu, wakilin kayan ne No. 20 karfe, Q345 gami karfe, da dai sauransu.
Tsarin tsarin (GB / T 8162): Abubuwan wakilci sun haɗa da ƙarfe na carbon, No. 20, da No. 45 karfe; Alloy karfe Q345, 20Cr,
40Cr, 20CrMo, 30-35CrMo, 42CrMo, da dai sauransu.
A halin yanzu ana amfani da bututun ƙarfe maras sumul a matsayin bututun mai, bututun tukunyar jirgi, na'urorin musayar zafi, bututun ɗaukar kaya da kuma wasu bututun sufuri mai ɗaukar nauyi.
Wadanne abubuwa ne ke shafar farashin bututun karfe?
Hanyar sufuri, ma'auni nauyi / ainihin nauyi, marufi, ranar bayarwa, hanyar biyan kuɗi, farashin kasuwa, fasahar sarrafawa, ƙarancin samfur a kasuwa, tsoffin abokan ciniki / sababbin abokan ciniki, sikelin abokin ciniki, ƙwarewar sadarwa, kariyar muhalli, manufofin ƙasa, buƙatar kasuwa, Material, iri, dubawa, inganci, cancanta, manufar niƙa karfe, ƙimar musanya, sharuɗɗan jigilar kaya, halin da ake ciki na duniya