904l ibyuma bitagira umuyonga Isahani nicyuma cya superaustenitike kitagira ibyuma cyaremewe kugirango kirwanye ruswa kugeza murwego rwo hejuru mubidukikije.Uruvange rwa chromium nibirimo nikel, hiyongereyeho molybdenum na muringa bitanga imbaraga nziza zo kurwanya ruswa.Kubera nikel 25% na molybdenum 4.5%, ASTM B625 UNS N08904 itanga chloride nziza yibitutu byangirika, gushira hamwe no kurwanya ruswa muri rusange biruta. kugeza 316L na 317L.Itezimbere kugirango isibe ibidukikije birimo acide sulfurike.904l isahani idafite ibyuma ifite imbaraga zo kurwanya aside irike nka acide fosifori ishyushye.Irashobora gusudira byoroshye no gutunganywa nuburyo busanzwe bwo guhimba.ss 904l isahani irahinduka kandi irashobora kuboneka byoroshye.Kwiyongera kwa molybdenum na azote bitanga ibikoresho byinshi byo gutunganya kandi birashobora kuba ngombwa mugihe ugereranije n amanota 304 / 304L.astm a240 ubwoko bwa 904l ifite imbaraga zo kurwanya amazi yinyanja ashyushye hamwe na chloride.Kurwanya kwinshi kwayo kurwanya kurwanya ruswa kandi biterwa no kuba hari nikel nyinshi mubigize.Byongeye kandi, kwongeramo umuringa biteza imbere kurwanya aside sulfurike nindi miti igabanya ubukana ndetse nubwitonzi.1.4539 ibikoresho byisahani, bitanga imbaraga nziza zo kurwanya okiside.Nyamara, imiterere yimiterere yiki cyiciro irasenyuka kubushyuhe bwinshi, cyane cyane hejuru ya 400 ° C.ASTM A240 UNS N08904 ibikoresho birashobora gukemurwa nubushyuhe bwakorewe kuri 1090 kugeza 1175 ° C ukurikije uburyo bwo gukonjesha byihuse.Kuvura amashyuza birakwiriye kuyikomera.Urupapuro 1.4539 rusaba ibikoresho byingenzi byo gutunganya peteroli, inganda zitunganya impapuro nimpapuro, uruganda rukora gaz, nibindi.
