Daga cikin nau'ikan simintin simintin gyare-gyare iri-iri, ƙarfen simintin gyare-gyaren da ba shi da juriya, ƙarfe ne da ake amfani da shi sosai. Simintin gyare-gyaren simintin gyaran kafa yana inganta juriyar lalacewasimintin gyaran ƙarfeta hanyar ƙara abubuwa daban-daban na abubuwan haɗakarwa, kamar manganese, chromium, carbon, da sauransu, zuwa ga gami. A lokaci guda, juriyar lalacewa na simintin ƙarfe mai jure lalacewa shima ya dogara da hanyar maganin zafi da ake amfani da shitusheda tsarin simintin gyaran kafa.
Dangane da halaye daban-daban na lalacewa, za a iya raba lalacewa na simintin ƙarfe zuwa lalacewa mai ƙyalli, lalacewa mai mannewa, gajiyar gajiya, lalacewa da lalacewa. Ana amfani da simintin gyare-gyaren ƙarfe mai jure sawa a cikifilayen masana'antutare da hadaddun yanayin aiki da manyan buƙatun aikin injiniya, kamar hakar ma'adinai, ƙarfe,gini, wutar lantarki, petrochemical, kiyaye ruwa,nomada kuma harkokin sufuri. Ana amfani da simintin gyare-gyaren ƙarfe da ke da juriyar sawa a cikin yanayin abrasion tare da wani nau'in tasiri, kamar kayan niƙa, tonawa, murkushewa, tarakta, da sauransu.
A cikin masana'antar ganowa, nau'ikan simintin simintin gyare-gyaren da aka saba amfani da su sun haɗa da ƙarfe na manganese mai jure lalacewa, ƙarfe na chromium mai jure lalacewa, ƙarancin gami da simintin ƙarfe mai jure lalacewa da carbon karfe. A Gidan Kafa na RMC, simintin simintin gyare-gyaren da ba zai iya jurewa ba za a iya jefa shi ta hanyoyin simintin gyare-gyare da yawa ciki har dakore yashi simintin gyare-gyare, Yashi mai rufin simintin gyare-gyare, simintin gyare-gyaren gasa, simintin saka hannun jari, simintin kumfa da aka rasa dainjin motsa jiki.
1) Karfe na Manganese mai juriya
Dangane da nau'in simintin manganese daban-daban, ƙarfen manganese mai jure lalacewa don yin simintin ya kasu kashi-ƙasa zuwa ƙaramin simintin simintin gyare-gyaren manganese, matsakaicin simintin simintin simintin gyare-gyaren manganese da babban ƙarfen simintin simintin ƙarfe. Karfe manganese mai jurewa sawa yana da tauri mai yawa kuma ba shi da sauƙin karye yayin amfani. A lokaci guda, yana da kyawawan kaddarorin aiki masu ƙarfi, don haka ƙarfe mai jure juriya na manganese ya dace da yanayin lalacewa.
Yawan amfani da maki na lalacewa-resistant manganese karfe don simintin gyaran kafa su ne: M13 (Hadfield Karfe), Mn5, Mn6, Mn7, Mn8, Mn17 ZG120Mn7Mo1, ZG120Mn13, ZG120Mn13Cr2, J9119, J9111349, J90, da dai sauransu
2) Karfe na Chrome mai jurewa
Ƙarfe na chromium mai jure lalacewa don yin simintin gyaran gyare-gyaren taurin da kuma sa juriya na simintin ƙarfe ta ƙara adadin chromium da ya dace zuwa ƙarfe na gami. Ƙara abun ciki na chromium a cikin matsakaicin ƙarfe na carbon zai iya inganta ƙarfin simintin ƙarfe da kuma inganta ƙarfin simintin ƙarfe. Ƙara ƙaramin adadin molybdenum na iya ƙara haɓaka ƙarfin simintin ƙarfe. Hanyar maganin zafi na chromium karfe mai jure lalacewa shine gabaɗaya babban zafin jiki yana kashewa + ƙarancin zafin jiki. Ya kamata a lura da cewa yayin da abun ciki na carbon na chromium karfe mai jurewa yana ƙaruwa a kowane lokaci, taurin simintin ƙarfe zai ƙaru, amma taurinsa zai ragu.
Makin da aka fi amfani da shi na chromium karfe mai jurewa don yin simintin gyaran kafa sune: ZG30CrMo, ZG35CrMo, ZG40Cr, ZG40CrMo, ZG42CrMo, ZG50CrMo, da sauransu.
3) Ƙarfe-Ƙaramar Simintin Ƙarfe Mai Juriya
Ƙarfe mai ƙarancin ƙarfi yana nufin ƙarfe mai ƙarfe tare da abun ciki na alloying na ƙasa da 5%. Tun da tauri da taurin ƙananan simintin ƙarfe na simintin ƙarfe za a iya daidaita shi a cikin babban kewayo, ƙananan simintin simintin gyare-gyare na lalacewa ana amfani da shi sosai. Lokacin zabar hanyar simintin ƙarfe da hanyar magani na zafi, ya zama dole a yi la'akari da ƙarfi, ƙarfin tasiri da juriya na simintin ƙarfe mara ƙarfi don cimma kyakkyawan sakamako. Abubuwan haɗin gwal na gama gari a cikin ƙaramin simintin simintin ƙarfe mara ƙarfi sun haɗa da molybdenum, chromium, manganese, nickel, da silicon.
Makin da aka fi amfani da shi na ƙarancin ƙarfe mara ƙarfi don simintin gyare-gyare sune: ZG30Mn2Si, ZG30Mn2SiCr, ZG30CrMnSiMo, ZG30CrNiMo, ZG40CrNiMo, da sauransu.
4) Karfe Karfe Mai Juriya
The lalacewa juriya na carbon karfe aka yafi samu ta surface hardening na karfe simintin gyaran kafa. Lokacin da abun cikin carbon ya fi 0.35%, ana amfani da tauraruwar shigar da ƙasa akan saman simintin ƙarfe. Lokacin da abun ciki na carbon ya kasance ƙasa da 0.35%, ana iya simintin simintin carbon karfe, nitrided ko carbonitrided don inganta juriyar lalacewa.
Lokacin aikawa: Fabrairu-02-2021