27 simnbututun ƙarfe mara nauyi, watau27SiMn bututun ƙarfe mara nauyi, suna ɗaya daga cikin kayan bututun ƙarfe maras sumul.Abubuwan da ke cikin carbon tsakanin 0.24 da 0.32%.Layin simn guda ɗaya shine saboda abubuwa biyar (carbon C, silicon Si da manganese).A cikin Mn, phosphorus P, da sulfur S, abun ciki na silicomanganese shine kusan 1.10 zuwa 1.40%.27simn bututu maras kyau ya dace da tashar wutar lantarki, injin tukunyar jirgi, masana'antar sinadarai, mota, kayan haɗin jirgi.
27simn karfe ka'idar nauyi dabara mara kyau karfe bututu ta mita nauyi W=0.02466*S(DS)
Ma'anar Alama: D = Diamita na waje S = Misalin lissafin kaurin bango: Don bututun ƙarfe maras sumul tare da diamita na waje na 60mm da kaurin bango na 4mm, ƙididdige nauyin kowane m.
Nauyin kowane m=0.02466*4*(60-4)=5.52Kg
27siMn m karfe bututu inji Properties 27siMn sumul karfe bututu inji Properties [2]
Ƙarfin ƙarfi σb (MPa): ≥980
Ƙarfin Haɓaka σs (MPa): ≥ 835
Tsawaitawa δ5/(%): ≥12
Sashi raguwa ψ/(%): ≥40
Aikin shayar girgiza (darajar girgiza) (Aku2/J): ≥39
Farashin bututun ƙarfe mara nauyi shine kusan 500-800 yuan / ton sama da na madaidaiciyar bututun welded, kuma farashin bututun ƙarfe mara nauyi shine 800-1200 yuan / ton sama da na bututun ƙarfe. |Bututun ƙarfe maras sumul yana samuwa ne ta hanyar rage tashin hankali, kuma tsarin rage tashin hankali shine ci gaba da jujjuyawar ƙarfe wanda ƙaramin tushe ba ya da madaidaicin.Dangane da tabbatar da ingancin walda na bututun uwar, aikin rage tashin hankali na bututun walda shine don dumama bututun da aka yi masa walda zuwa digiri 950 ko sama da haka, sannan zuwa nau'ikan diamita na waje da bango ta hanyar. mai rage tashin hankali (jimlar wucewa 24 na mai rage shimfiɗa).A lokacin farin ciki ƙãre tube, zafi birgima karfe tube samar da wannan tsari da talakawa high-mita welded bututu ne da gaske daban-daban.Bayan dumama a cikin dumama tanderu, da metallographic tsarin da inji Properties na weld da iyaye karfe iya zama gaba daya m.Mai rage tashin hankali na biyu mirgina da sarrafawa ta atomatik suna sa daidaiton girman bututun (musamman zagayen bututun da daidaiton kaurin bango) ya fi irin wannan bututu maras sumul.Bututun ruwa da bututun tukunyar jirgi da aka samar a cikin ƙasashen da suka ci gaba a duniya sun karɓi adadi mai yawawelded tube m matakai.Tare da ci gaban al'umma, ƙananan bututun welded mai zafi na gida sun maye gurbin bututun da ba su da kyau a hankali.
Bututun ƙarfe mara ƙarfi wani nau'in ƙarfe ne mai tsayi mai tsayi tare da sashin rami kuma babu kabu a kusa.Karfe yana da wani sashe mai zurfi, bututu masu yawa da ake amfani da su don jigilar ruwa, kamar isar da mai, iskar gas, iskar gas, ruwa da wasu abubuwa masu ƙarfi kamar bututu.An raba bututu maras kyau zuwa bututu masu zafi, bututun da aka yi birgima, bututun da aka zana sanyi, bututun extruded, bututun bututu.Ana amfani da bututun ƙarfe mara ƙarfi don watsa ruwa don jigilar ruwa, mai, gas da sauran ruwaye gabaɗaya bututun ƙarfe mara ƙarfi.The low da matsakaici matsa lamba tukunyar jirgi sumul karfe bututu da ake amfani a yi na daban-daban Tsarin na low da matsakaici matsa lamba tukunyar jirgi superheated tururi bututu, ruwan zãfi da kuma superheated tururi locomotive tukunyar jirgi tube, hayaki bututu, kananan bututu da baka bututu da high quality- carbon tsarin Karfe zafi-birgima da sanyi-jawo sumul karfe bututu.Bambanci tsakanin bututun ƙarfe maras nauyi don ruwa da bututun ƙarfe mara ƙarfi don ƙananan tukunyar jirgi mara ƙarfi: Bambance-bambance tsakanin GB / T8163-1999 da bututun ƙarfe marasa ƙarfi don bututun ƙarfe mara nauyi da ƙarancin ƙarfi da matsakaicin matsa lamba. bututun karfe maras sumul tare da wani yanki mara zurfi ba tare da kewaye Dogon tsiri na karfe ba.Karfe yana da wani sashe mai zurfi, bututu masu yawa da ake amfani da su don jigilar ruwa, kamar isar da mai, iskar gas, iskar gas, ruwa da wasu abubuwa masu ƙarfi kamar bututu.An raba bututu maras kyau zuwa bututu masu zafi, bututun da aka yi birgima, bututun da aka zana sanyi, bututun extruded, bututun bututu.Bututun ƙarfe mara ƙarfi don watsa ruwaana amfani da shi don jigilar ruwa, mai, iskar gas da sauran ruwaye gabaɗaya bututun ƙarfe maras sumul.The low da matsakaici matsa lamba tukunyar jirgi sumul karfe bututu da ake amfani a yi na daban-daban Tsarin na low da matsakaici matsa lamba tukunyar jirgi superheated tururi bututu, ruwan zãfi da kuma superheated tururi locomotive tukunyar jirgi tube, hayaki bututu, kananan bututu da baka bututu da high quality- carbon tsarin Karfe zafi-birgima da sanyi-jawo sumul karfe bututu.
Lokacin aikawa: Fabrairu-06-2023