Ƙarfe na gine-gine ana fitar da shi ne daga kayan ƙarfe na ƙarfe.Yawancin karafan da ake ginawa a kasar Sin ana samar da su ne daga karamin karfen carbon, matsakaicin karfe da karafa mai karamin karfi ta hanyar tafasa karfe ko kashe karfe.Daga cikin su, an inganta karafa da aka kashe a China.amfani.
Nau'o'in kayan aikin ƙarfe na gini gabaɗaya an raba su zuwa nau'i-nau'i da yawa kamar rebar, zagaye na ƙarfe, sandar waya, dunƙule nada da sauransu.
1. Rebar
Gabaɗaya tsawon rebar shine 9m da 12m.Zaren mai tsayin mita 9 ana amfani da shi ne wajen gina hanya, kuma zaren mai tsayin mita 12 ana amfani da shi ne wajen gina gada.Matsakaicin kewayon zaren gabaɗaya shine 6-50mm, kuma ƙasar tana ba da damar karkacewa.Akwai nau'ikan rebar guda uku bisa ga ƙarfi: HRB335, HRB400 da HRB500.
2. Karfe zagaye
Kamar yadda sunan ke nunawa, karfen zagaye wani kakkarfan karfe ne mai tsayi mai tsayi mai madauwari mai da'ira, wanda ya kasu kashi uku: mai zafi, na jabu da sanyi.Akwai abubuwa da yawa don zagaye karfe, kamar: 10 #, 20 #, 45 #, Q215-235, 42CrMo, 40CrNiMo, GCr15, 3Cr2W8V, 20CrMnTi, 5CrMnMo, 304, 316, 20Cr, 30Cr, 20Cr, 20Cr, da dai sauransu.
Girman karfe mai zafi da aka yi birgima shine 5.5-250 mm, kuma girman 5.5-25 mm karamin karfe ne mai zagaye, wanda aka kawo shi a cikin daure madaidaici kuma ana amfani dashi azaman sandunan ƙarfe, kusoshi da sassa daban-daban na inji;zagaye karfe ya fi girma fiye da 25 mm ana amfani da shi musamman don kera sassa na inji ko azaman bututun ƙarfe mara nauyi.
3. Waya
Nau'in sandunan waya na gama gari sune Q195, Q215, da Q235, amma nau'ikan sandunan waya iri biyu ne kawai don ginin ƙarfe, Q215 da Q235.Gabaɗaya, ƙayyadaddun ƙayyadaddun da aka saba amfani da su sune 6.5mm a diamita, 8.0mm a diamita, da diamita 10mm.A halin yanzu, mafi girman sandar waya a ƙasata na iya kaiwa Diamita 30mm.Baya ga yin amfani da shi azaman ƙarfafawa don gina siminti mai ƙarfi, ana iya amfani da wayar don zanen waya da raga.
4. Katantanwa
Coiled dunƙule nau'in karfe ne da ake amfani da shi don gini.Ana amfani da rebars sosai a cikin gine-gine daban-daban.Fa'idodin naɗaɗɗen sukurori idan aka kwatanta da rebars sune: rebars ɗin 9-12 ne kawai, kuma za'a iya kama sukukan da aka naɗe ba bisa ka'ida ba bisa ga buƙatun amfani.
Lokacin aikawa: Jul-11-2022