304: shine babban maƙasudin bakin karfe da aka yi amfani da shi sosai a cikin samar da kayan aiki da sassa waɗanda ke buƙatar haɓakar haɓakar kaddarorin (lalata juriya da tsari).
301: Bakin karfe yana nuna alamar aiki mai wuyar gaske yayin nakasawa, kuma ana amfani dashi a lokuta daban-daban na buƙatar ƙarfi mafi girma.
302: Bakin karfe shine ainihin bambance-bambancen bakin karfe 304 tare da babban abun ciki na carbon kuma ana iya yin shi ta hanyar mirgina sanyi don ƙarfin ƙarfi.
302B: Bakin karfe ne tare da babban abun ciki na silicon kuma yana da juriya mai zafi mai zafi.
303 da 303SE: Bakin karafa na yankan kyauta wanda ke dauke da sulfur da selenium, bi da bi, don aikace-aikacen da ke buƙatar yanke kyauta da haske mai haske.303SE bakin karfe kuma ana amfani dashi don sassan da ke buƙatar taken zafi saboda kyakkyawan aiki mai zafi a ƙarƙashin irin waɗannan yanayi.
304L: Bambancin 304 bakin karfe tare da ƙananan abun ciki na carbon don aikace-aikacen walda.Ƙananan abun ciki na carbon yana rage girman hazo a cikin yankin da zafi ya shafa a kusa da walda, wanda zai iya haifar da lalatawar tsaka-tsakin tsaka-tsakin (haramin walda) a cikin bakin karfe a wasu lokuta.
04N: Bakin karfe ne mai dauke da nitrogen.Ana ƙara Nitrogen don inganta ƙarfin ƙarfe.
305 da 384: Bakin karfe yana da babban abun ciki na nickel da ƙarancin ƙarfin aiki, kuma ya dace da lokuta daban-daban tare da manyan buƙatu don ƙirƙirar sanyi.
308: Ana amfani da Bakin ƙarfe don yin na'urori.
309, 310, 314, da 330: Babban abun ciki na nickel da chromium na bakin karfe yana ƙara ƙarfin iskar oxygen da ƙarfe a yanayin zafi mai tsayi.Yayin da 30S5 da 310S bambance-bambancen 309 da 310 bakin karfe ne, kawai bambanci shine ƙananan abun ciki na carbon, wanda ke rage hazo carbide kusa da walda.330 bakin karfe yana da babban juriya na musamman ga carburization da girgiza thermal.
Nau'i na 316 da 317: Bakin ƙarfe ya ƙunshi aluminum, don haka juriya ga lalata lalata a cikin mahallin masana'antar ruwa da sinadarai ya fi 304 bakin karfe kyau.Daga cikin su, nau'in 316 bakin karfe sun hada da ƙananan bakin karfe 316L, nitrogen-dauke da babban ƙarfin bakin karfe 316N da sulfur abun ciki na babban yanke bakin karfe 316F.
321, 347 da 348 sune titanium, niobium da tantalum, niobium stabilized bakin karfe, bi da bi.Sun dace da siyar da yawan zafin jiki.348 bakin karfe ne wanda ya dace da masana'antar makamashin nukiliya.Adadin tantalum da adadin ramukan da aka tono sun iyakance.
Ya kamata a sanya coil induction da ɓangaren da ke da alaƙa da kayan walda don hana baka daga bugun bututun ƙarfe yayin aiki.
Lokacin aikawa: Juni-03-2019