Bakin karfe murabba'in bututu nau'in karfe ne mai tsayi. Domin sashin yana da murabba'i, ana kiran shi square tube.
Har ila yau aka sani da murabba'i da rectangular sanyi-kafa m sashe karfe, ake magana a kai a matsayin square tube da rectangular tube, code sunayen f da j bi da bi.
Galvanized square bututu ne wani nau'i ne na m murabba'in bututu mai murabba'in siffar da girman da aka yi da zafi-birgima ko sanyi-birgima galvanized tsiri ko galvanized nada bayan sanyi lankwasawa da forming, sa'an nan high-mita waldi, ko galvanized square bututu sanya. na sanyi-kafa m karfe bututu a gaba da zafi-tsoma galvanizing.
Bisa ga samar da tsari, square shambura suna zuwa kashi zafi-birgima sumul square shambura, sanyi kõma sumul square shambura, extruded sumul square shambura da welded square shambura.
Kamar yadda sunan ya nuna, murabba'in bututu shine nau'in nau'in bututun murabba'in. Yawancin kayan zasu iya samar da jikin bututun murabba'in. Ana amfani da shi don wane dalili kuma a ina. Yawancin bututun murabba'in bututun ƙarfe ne.
Kamar bututun da ake jigilar man fetur, iskar gas, iskar gas, ruwa da wasu kayyadaddun kayan aiki. Idan aka kwatanta da ƙaƙƙarfan ƙarfe irin su zagaye na ƙarfe, bututun ƙarfe yana da lanƙwasa iri ɗaya da ƙarfin juzu'i da nauyi mai sauƙi. Sashin tattalin arziki ne karfe.
Babban diamita mai kauri mai kauri bututu wani nau'in bututu ne mai kauri mai haske mai kauri tare da sashin murabba'in murabba'i, wanda kuma aka sani da bayanin martabar karfen sanyi. Sashe ne na karfe mai siffar murabba'i da girmansa, wanda aka yi shi da Q235 mai zafi-birgima ko tsiri mai sanyi ko coil a matsayin kayan tushe, lankwasawa mai sanyi da walƙiya mai tsayi.
Bututun murabba'i mara sumul bututun karfe ne mai murabba'i mai kusurwoyi hudu. Bututun karfe ne mai murabba'in kafa ta hanyar zane mai sanyi da extrusion na bututun karfe maras sumul. Akwai muhimmin bambanci tsakanin bututu murabba'i maras sumul da bututu murabba'in walda. Bututun ƙarfe yana da ɓangaren rami kuma ana amfani da shi sosai azaman bututu don isar da ruwa.
Q235 welded square bututu ne appellation na square bututu, wato, karfe bututu tare da wannan gefen tsawon. An yi shi da karfen tsiri na birgima ta hanyar fasahar fasaha. A bisa ka'ida, karfen tsiri yana kwance, lebur, nannade da waldawa don samar da bututu mai zagaye, sannan a nada bututun a duba bututun murabba'in welded Q235, sannan a yanke zuwa tsayin da ake bukata.
Bakin karfe murabba'in bututu nau'in karfe ne mai tsayi. Domin sashin yana da murabba'i, ana kiran shi square tube. Ana amfani da bututu mai yawa don jigilar ruwa, kamar mai, iskar gas, ruwa, gas, tururi, da sauransu.
Common kayan welded murabba'in bututu ne: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00cr19ni118, 18Cr, Ni, Ni, Ni, Ni, da dai sauransu