Akwai hanyoyin rarrabuwa gama gari guda biyu don rebar: ɗaya yana dogara ne akan siffar geometric, wanda aka keɓe ko aka raba bisa ga nau'in giciye daban-daban da tazarar haƙarƙari.Misali, a cikin British Standard (BS4449), an raba rebar zuwa nau'in I da nau'in II.Wannan rarrabuwa galibi yana nuna aikin gurɓatattun sandunan ƙarfe.Na biyu, bisa ga rarrabuwar kawuna (grade), misali, a tsarin zartarwa na kasarmu a halin yanzu, rebar ita ce (G B1499.2-2007) sannan igiyar waya 1499.1-2008), an kasa rebar gida uku. maki bisa ga matakin ƙarfin (ƙarfin samarwa / ƙarfi);Bisa ga ma'auni na masana'antu na Japan (JI SG3112), rebar ya kasu kashi biyar bisa ga cikakkun kaddarorinsa;Standarda'idar Biritaniya (BS4461) kuma ta fayyace maki da yawa na gwajin aiki don gurɓatattun sandunan ƙarfe.Bugu da kari, rebar kuma za'a iya rarraba shi gwargwadon manufarsa, kamar rebar na yau da kullun don ƙarfafa simintin da aka yi masa magani da zafi don simintin da aka ɗora da shi.
An raba sandunan ƙarfe maras kyau zuwa sandunan ƙarfe na yau da kullun na zafi mai birgima da sandunan ƙarfe mai laushi mai laushi.Dangane da ma'anar ma'auni, sandunan ƙarfe na yau da kullun masu zafi na yau da kullun sune sandunan ƙarfe waɗanda aka kawo cikin yanayin birgima mai zafi.Tsarin ƙarfensa ya ƙunshi ferrite da pearlite, kuma ba za a sami wani tsarin da zai shafi aikin sabis ba.Kyakkyawan sandar-da aka yi da launin ruwan ƙarfe mai launin shuɗi yana nufin kyakkyawan ma'aunin ƙarfe-grained da aka kafa ta hanyar sarrafa mirgine da tsari na sanyaya yayin aikin m morling.Tsarinsa na ƙarfe ya ƙunshi ferrite da pearlite, kuma ba za a sami wani tsarin da zai shafi aikin sabis ba, kuma girman hatsin ba zai zama babba ba fiye da Grade 9.
A sa na talakawa zafi-birgima ribbed karfe mashaya ya ƙunshi HRB, halayyar darajar yawan amfanin ƙasa ƙarfi da anti-seismic ãyã (+E);Matsayin madaidaicin madaidaicin ribbed karfen ƙarfe mai zafi ya ƙunshi HRBF, ƙimar ƙimar ƙarfin amfanin ƙasa da alamar anti-seismic (+E);F shine harafin farko na Fine.Maki na karfe mai zafi na yau da kullun an kasu kashi biyar: HRB400, HRB500, HRB600, HRB400E da HRB500E;An raba maki na sandunan ƙarfe mai zafi mai zafi mai kyau zuwa HRBF400, HRBF500, HRBF400E da HRBF500E.
Karfe zaren dunƙule ana amfani da shi sosai a aikin injiniyan farar hula kamar gidaje, gadoji da hanyoyi.Tun daga manyan tituna, titin jirgin ƙasa, gadoji, magudanan ruwa, ramuka, kula da ambaliyar ruwa, madatsun ruwa da sauran wuraren jama'a, zuwa harsashi, katako, ginshiƙai, bango, faranti, da shingen gine-gine da gine-ginen kayan gini ne masu mahimmanci.A halin yanzu, HRB400 ko HRB400E karfe sanduna an yi amfani da ko'ina a duniya.Kamfaninmu na iya keɓance HRB500, HRB600 da sauran sandunan ƙarfe mara ƙarfi mai ƙarfi.
Ka'idodin rebar kamfaninmu na iya samarwa
Ma'aunin Sinanci GB1499.2-2007
Karfe II mara kyau HRB335
Karfe na Grade III nakasassu HRB400
Karfe mai nakasassu na aji uku-seismic HRB400E
Grade IV maras kyau karfe HRB500
Grade IV seismic maras kyau karfe HRB500E
Matsayin Ingilishi BS4449-2005 460B 500B
American atandard ASTM A615/A 615-04a GR40 GR60 GR75
Koriya misali KSD3405-2011 SD400 SD500
Matsayin Jafananci JIS G3112-2004 SD390
Mu JINBAICHENG isɗaya daga cikin mashahuran masana'anta, mai fitar da kaya, mai sayar da jari, mai riƙe da hannun jari da mai ba da gurɓatattun sandunan ƙarfe.Muna da abokin ciniki daga Mexico, Turkey, Pakistan, Oman, Isra'ila, Misira, Larabawa, Vietnam, Myanmar, Jamusanci, da dai sauransu.
Yanar Gizo:www.sdjbcmetal.com
Email: jinbaichengmetal@gmail.com
Lokacin aikawa: Maris 16-2023