Ya kamata a ce cewa duk austenitic bakin karfe ruwa bututu suna da halaye na lalata juriya, high zafin jiki juriya da kuma high matsa lamba juriya.Sai dai in mun gwada da magana, suna da fayyace halaye da ayyuka daban-daban:
304: Juriya na al'ada na yau da kullun da kuma babban zafin jiki mai jure bakin karfe mara nauyi, 304 yana da juriya mai kyau ga lalatawar intergranular, kyakkyawan aikin lalata, aikin sanyi da aikin hatimi, kuma ana iya amfani dashi azaman bakin karfe mai jure zafi.A lokaci guda, kayan aikin injiniya na karfe suna da kyau a -180 ° C.A cikin yanayin bayani mai ƙarfi, ƙarfe yana da filastik mai kyau, ƙarfi da aikin sanyi;yana da kyakkyawan juriya na lalata a cikin oxidizing acid, iska, ruwa da sauran kafofin watsa labarai.
304L shine bambance-bambancen bakin karfe 304 tare da ƙananan abun ciki na carbon kuma ana amfani dashi inda ake buƙatar walda.Ƙananan abun ciki na carbon yana rage hazo na carbides a cikin yankin da zafi ya shafa kusa da walda, wanda zai iya haifar da lalata intergranular ( harin weld) a cikin bakin karfe a wasu wurare.
Rashin juriyar lalata na 316/316L bakin karfe bututu yana da kyau fiye da na bututun bakin karfe na 304, kuma yana da juriya mai kyau a cikin samar da ɓangaren litattafan almara da takarda.Saboda ƙari na Mo, yana da kyakkyawan juriya na lalata, musamman juriya na rami;Ƙarfin zafin jiki kuma yana da kyau sosai;kyakkyawan aiki hardening (rauni Magnetic bayan aiki);mara maganadisu a cikin m yanayin bayani.Har ila yau, yana da juriya mai kyau ga lalata chloride, don haka yawanci ana amfani dashi a cikin yanayin ruwa ko ayyukan gine-gine ta teku.
321 bakin karfe ne a Ni-Cr-Ti irin austenitic bakin karfe masana'antu bututu, da yi ne sosai kama da 304, amma saboda Bugu da kari na karfe titanium, shi yana da mafi intergranular lalata juriya da kuma high zafin jiki ƙarfi.Saboda kari na karfe titanium, yadda ya kamata sarrafa samuwar chromium carbide.321 bakin karfe yana da kyakkyawan haɓakar zafin jiki mai ƙarfi (Stress Rupture) aiki da juriya mai zafi mai zafi (Creep Resistance) kaddarorin injinan damuwa sun fi 304 bakin karfe.Ti a cikin 321 bakin karfe bututu wanzu a matsayin stabilizing kashi, amma kuma zafi-ƙarfin karfe sa, wanda ya fi 316L da yawa fiye da yanayin zafi.Yana da kyakkyawan juriya na lalatawa a cikin kwayoyin halitta da inorganic acid na ma'auni daban-daban da yanayin zafi, musamman a cikin kafofin watsa labarai na oxidizing, kuma ana amfani da shi don kera lilin da bututu don kwantena acid mai jurewa da kayan aiki masu jurewa.Yana da ƙayyadaddun juriyar zafin jiki, gabaɗaya a kusa da digiri 700, kuma galibi ana amfani dashi a cikin tsire-tsire masu ƙarfi.Aiwatar da injinan filayen a cikin masana'antar sinadarai, kwal da masana'antar mai waɗanda ke buƙatar juriya mai ƙarfi ga lalata iyakokin hatsi, sassa masu jure zafi na kayan gini da sassan da ke da wahalar zafi magani.
310S: Mafi yadu amfani da hadawan abu da iskar shaka juriya, lalata juriya, high zafin jiki resistant masana'antu bakin karfe sumul bututu da masana'antu welded bututu.Abubuwan da ake amfani da su na yau da kullun: kayan murhun wuta, kayan na'urorin tsabtace mota.310S bakin karfe bututu ne austenitic chromium-nickel bakin karfe da kyau kwarai high zafin jiki hadawan abu da iskar shaka juriya, acid da alkaline juriya, da kuma lalata juriya.Saboda mafi girman abun ciki na chromium (Cr) da nickel (Ni), yana da ƙarfi mafi kyawu.Yana iya ci gaba da aiki a babban zafin jiki kuma yana da kyakkyawan juriya na zafin jiki.Lokacin da zafin jiki ya wuce 800, ya fara yin laushi, kuma damuwa da aka yarda ya fara raguwa akai-akai.Matsakaicin zafin sabis shine 1200 ° C, kuma ci gaba da amfani da zafin jiki shine 1150 ° C.Ana amfani da bututun ƙarfe mai ƙarfi da zafin jiki na musamman wajen kera bututun tanderun lantarki da sauran lokuta.Bayan haɓaka abun ciki na carbon a cikin bakin karfe na austenitic, ƙarfin yana inganta saboda ingantaccen sakamako mai ƙarfi.Abubuwan sinadaran austenitic bakin karfe sun dogara ne akan chromium da nickel.An ƙara abubuwa kamar molybdenum, tungsten, niobium da titanium a matsayin tushe.Domin ƙungiyarsa tsari ne mai siffar siffar fuska, yana da ƙarfi mai ƙarfi da ƙarfi a yanayin zafi.
Lokacin aikawa: Janairu-31-2023
