201 bakin karfe shine jerin 200 austenitic bakin karfe wanda aka haɓaka ta maye gurbin manganese, nitrogen da sauran abubuwa tare da nickel. Yana da kyakkyawan juriya na lalata da ayyukan sarrafa zafi da sanyi, wanda ya isa ya maye gurbin cikin gida, biranen cikin gida da kuma amfani da waje. 304 kayayyakin bakin karfe da aka yi amfani da su a cikin ƙananan wurare masu lalata.
Saboda farashin nickel ya ci gaba da canzawa, yawancin masu kera suna neman madadin samfuran austenitic bakin karfe tare da ayyuka masu kama da 304 bakin karfe. A farkon shekarun 1930, an samar da bakin karfe na asali na chromium-manganese austenitic, kuma manganese a cikin karfe ya maye gurbin wasu nickel. Bayan haka, an gudanar da ƙarin bincike kan cikakken rabon abun da ke ciki, nitrogen da jan ƙarfe an yi amfani da su, da abubuwa irin su carbon da sulfur, wanda ya yi tasiri sosai ga aikin bayanai, da dai sauransu, a ƙarshe ya samar da jerin 200.
A halin yanzu, manyan nau'ikan nau'ikan nau'ikan bakin karfe 200 sune: J1, J3, J4, 201, 202. Hakanan akwai maki 200 na ƙarfe waɗanda ke da ƙarancin sarrafa abun ciki na nickel. Amma game da 201C, nau'in ƙarfe ne na bakin karfe 201 wanda aka samar da shi ta hanyar masana'antar ƙarfe guda ɗaya a China a ƙarshen zamani. Ma'aunin alamar kasuwanci na ƙasa na 201 shine: 1Cr17Mn6Ni5N. 201C yana ci gaba akan tushen 201 Rage abun ciki na nickel kuma ƙara abun ciki na manganese.
201 bakin karfe amfani
Saboda 201 bakin karfe yana da halaye na juriya acid, juriya na alkali, babban yawa, polishing ba tare da kumfa, kuma babu pinholes, yana da matukar dacewa don samar da lokuta daban-daban da madauri na kasa, kuma ana amfani da wasu da yawa don bututun ado, Wasu m zane. samfurori don bututun masana'antu.
201 bakin karfe sinadaran abun da ke ciki
Abubuwan da ke cikin farantin bakin karfe 201 suna da manganese da nitrogen maimakon wasu ko duk na nickel. Saboda yana iya samar da ƙananan abun ciki na nickel kuma ferrite bai daidaita ba, abun ciki na ferrochrome a cikin 200 jerin bakin karfe yana rage zuwa 15% -16 %, Wasu yanayi sun ragu zuwa 13% -14%, don haka lalata juriya na 200 jerin bakin karfe. Ba za a iya kwatanta karfe da 304 ko wasu irin bakin karfe irin wannan ba. Bugu da ƙari, a ƙarƙashin yanayin acidic wanda ya zama ruwan dare a cikin ɓarna na sassan tarawa da rata, tasirin manganese da jan karfe zai ragu da kuma tasirin sake dawowa a karkashin wasu yanayi. Lalacewar bakin karfe na chromium-manganese a ƙarƙashin waɗannan sharuɗɗan kusan sau 10-100 ne na bakin karfe 304. Kuma saboda a aikace samarwa sau da yawa ba zai iya sarrafa daidai da sauran sulfur da carbon abun ciki a cikin wadannan karafa, da bayanai ba za a iya gano da kuma gano, ko da lokacin da aka dawo da bayanai. Don haka idan ba a bayyana cewa su karfen chromium-manganese ba ne, za su zama hadaddiyar tarkacen karfen da ke da hatsarin gaske, wanda hakan zai sa simintin ya kunshi sinadarin manganese da ba zato ba tsammani. Saboda haka, waɗannan bakin karfe da jerin bakin karfe 300 dole ne a maye gurbinsu ko musanya su. Su biyun gaba daya matakinsu daya ne ta fuskar juriyar lalata.
Lokacin aikawa: Janairu-19-2020