Ta yaya 904L bakin karfe farantin karfe yake lalata?

904L bakin karfe farantin karfewani nau'i ne na bakin karfe na austenitic tare da ƙananan abun ciki na carbon da babban alloying wanda aka tsara don yanayin da ke da mummunan yanayi. Yana da mafi kyawun juriya na lalata fiye da316lkuma317l, yayin da ake la'akari da farashi, aiki, da ƙimar farashi. mafi girma. Saboda ƙari na 1.5% jan karfe, yana da kyakkyawan juriya na lalata da rage acid kamar su sulfuric acid da phosphoric acid. Har ila yau, yana da kyakkyawan juriya na juriya ga danniya lalata pitting da crevice lalata lalacewa ta hanyar chloride ions, kuma yana da kyau juriya ga intergranular lalata. A cikin tsantsar sulfuric acid a cikin kewayon maida hankali na 0-98%, zazzabi sabis na farantin karfe 904L na iya kaiwa digiri 40 ma'aunin Celsius. A cikin tsantsar phosphoric acid a cikin kewayon maida hankali na 0-85%, juriya na lalata yana da kyau sosai. A cikin masana'antar phosphoric acid da aka samar ta hanyoyin rigar, ƙazanta suna da tasiri mai ƙarfi akan juriya na lalata. Daga cikin kowane nau'in phosphoric acid, 904L super austenitic bakin karfe yana da mafi kyawun juriyar lalata fiye da bakin karfe na yau da kullun. A cikin acid mai ƙarfi oxidizing, 904L bakin karfe yana da ƙananan juriya na lalata fiye da nau'ikan ƙarfe daban-daban. a cikin wannan kewayon maida hankali. Rashin juriya na 904L karfe ya fi na bakin karfe na al'ada. 904L bakin karfe yana da babban juriya ga lalata lalata. Its juriya ga crevice lalata a cikin chloride mafita. Ƙarfin kuma yana da kyau sosai. Babban abun ciki na nickel904L farantin karfeyana rage yawan lalata a cikin ramuka da kabu. Saboda babban abun ciki na nickel, 904L yana da babban juriya ga lalatawar damuwa a cikin mafita na nitride, hanyoyin samar da hydroxide mai mahimmanci da mahalli mai wadatar hydrogen sulfide.