Bututun ƙarfe mara nauyi sun mamaye matsayi mai mahimmanci a masana'antar zamani kuma ana amfani da su sosai a cikin gine-gine, masana'antar injin, petrochemical da sauran fannoni.EN 10210Musamman ƙayyadaddun bututun ƙarfe marasa ƙarfi don tsarin, daga cikinsu BS EN 10210-1 ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙarfe ba na ƙarfe ba ne da ingantaccen ƙarfe. Maki guda a cikin wannan ma'auni sun haɗa da S235GRH, S275JOH, S275J2H, S355JOH da S355J2H.
Na farko, S235GRH karfe ne na asali, wanda akasari ana amfani dashi don sassa na tsari ƙarƙashin ƙarancin danniya da yanayin zafin ɗaki. Tare da ƙarfin yawan amfanin ƙasa na 235MPa, yana da kyau weldability da sanyi formability, kuma ya dace da janar gini da inji Tsarin.
Na gaba su ne S275JOH da S275J2H. S275JOH yana da kyau tauri a -20 ℃ da yawan amfanin ƙasa na 275MPa, kuma yawanci ana amfani dashi don ginin gine-gine da ayyukan gada tare da matsakaicin nauyi. S275J2H yana da mafi kyawun tasiri tauri a -20 ℃, kuma ya dace da sassan tsarin da ke buƙatar ƙimar aminci mafi girma.
S355 JOHkumaSaukewa: S355J2Hsu ne manyan ƙarfe masu ƙarfi. S355JOH yana da kyau kwarai tauri a duka dakin da zafin jiki da ƙananan zafin jiki (-20 ℃), tare da yawan amfanin ƙasa na 355MPa, kuma ana amfani dashi sosai a cikin matsanancin damuwa da mahimman ayyukan tsarin, kamar manyan gine-gine da manyan gadoji. S355J2H yana da ƙarfin tasiri mafi girma a -20 ℃, kuma ya dace da wurare masu sanyi sosai ko ayyukan da ke buƙatar ƙarin tabbacin aminci.
Ma'auni na EN 10210 ba wai kawai ya bayyana abubuwan da ke tattare da sinadarai da kaddarorin inji na bututun karfe ba, har ma yana gabatar da takamaiman buƙatu don jure juzu'i, ingancin saman, gwajin mara lalacewa, da sauransu. Wannan yana tabbatar da daidaito da amincin bututun ƙarfe yayin masana'anta amfani.
Ana samar da bututun ƙarfe marasa ƙarfi ta hanyar fasahar mirgina mai zafi, wanda ke ba su kyawawan kaddarorin injina da daidaiton ƙima mai kyau. Tsarin mirgina mai zafi zai iya kawar da damuwa a cikin bututun ƙarfe, inganta tsarin tsari na ƙarfe, da haɓaka cikakkiyar aikin sa. Idan aka kwatanta da bututun ƙarfe na welded, bututun ƙarfe maras sumul suna da ƙarfin matsawa, lanƙwasa da ƙarfi, kuma sun dace da tallafi na tsari da jigilar ruwa a ƙarƙashin yanayin aiki masu rikitarwa daban-daban.
Gabaɗaya, bututun ƙarfe mara nauyi da aka samar bisa ga ka'idodin EN 10210 yana nuna kyakkyawan aiki a fagen gini da masana'antu. Bututun ƙarfe na maki kamar S235GRH, S275JOH, S275J2H, S355JOH, da S355J2H suna da nasu halayen kuma suna iya biyan bukatun ayyuka daban-daban. Faɗin aikace-aikacen su ba kawai inganta inganci da amincin ayyukan ba, har ma yana haɓaka haɓakawa da haɓaka fasahar kayan ƙarfe. Zaɓin bututun ƙarfe mara nauyi na maki masu dacewa da ƙayyadaddun bayanai yana da mahimmanci don tabbatar da kwanciyar hankali na dogon lokaci da fa'idodin tattalin arziƙin ayyukan.
Lokacin aikawa: Juni-12-2024