Bakin Karfe Abu:
Bakin karfe abu wani nau'i ne na kayan abu, yana da kusanci da haske na madubi, taɓawa da sanyi, yana cikin ƙarin kayan ado na avant-garde, yana da kyakkyawan juriya na lalata, gyare-gyare, dacewa da tauri da sauran halaye na jerin, ana amfani da su a masana'antar nauyi. , masana'antar haske, masana'antar kayan gida da kayan ado na gini da sauran masana'antu.
Bakin karfen da ake magana da shi da bakin karfe, yana kunshe da bakin karfe da kuma karfen da ba zai iya jurewa ba, a takaice dai, yana iya juriya da gurbacewar yanayi na karfen da ake kira bakin karfe, kuma yana iya jure lalata matsakaicin sinadari na karfe da ake kira acid resistant karfe.Gaba daya. Magana, abun ciki na chromium na Cr ya fi 12% na karfe yana da halayen bakin karfe.
Rarraba bakin karfe:
Akwai hanyoyi da yawa na rarraba bakin karfe, daga cikinsu akwai wadanda suka fi yawa.
Rabe-raben Tsarin Metallographic:
Za a iya raba austenitic bakin karfe, ferrite bakin karfe, martensitic bakin karfe, duplex bakin karfe, hazo hardening bakin karfe.
Rarraba abun da ke tattare da sinadaran:
M za a iya raba chromium bakin karfe (kamar ferrite jerin, martensite tsarin) da chromium nickel bakin karfe (kamar austenite tsarin, mahaukaci jerin, hazo hardening jerin) biyu tsarin.
Dangane da nau'in juriya na lalata:
Yana za a iya raba zuwa danniya lalata resistant bakin karfe, pitting lalata resistant bakin karfe, intergranular lalata resistant bakin karfe, da dai sauransu.
Rarrabe ta hanyar fasalulluka:
Ana iya raba shi zuwa yankan bakin karfe kyauta, bakin karfe mara maganadisu, bakin karfe mara nauyi, babban karfin bakin karfe.
Akwai kusan nau'ikan bakin karfe 100 da aka sanya a cikin ma'auni daban-daban a duniya, kuma tare da ci gaban kimiyya da fasaha da ci gaban masana'antu da noma, sabbin maki na bakin karfe kuma suna karuwa.Ga wani sanannen darajar bakin karfe. , chromium daidai [Cr] da nickel kwatankwacin [Ni] ana iya ƙididdige su bisa ga tsarin sinadarai, kuma ana iya ƙididdige ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan ƙarfe ta hanyar amfani da ginshiƙi na bakin karfe na Schaeffler-Delong.
Rarraba Matrix:
1, ferrite bakin karfe.Chromium 12% ~ 30% .Chromium 12% ~ 30% juriya na lalata, tauri da weldability yana ƙaruwa tare da haɓaka abun ciki na chromium, kuma juriyawar lalatawar chloride ya fi sauran nau'ikan bakin karfe.
2. Austenitic bakin karfe.Ya ƙunshi fiye da 18% chromium, game da 8% nickel da ƙananan adadin molybdenum, titanium, nitrogen da sauran abubuwa. Kyakkyawan aiki mai mahimmanci, juriya na lalata ga kafofin watsa labaru iri-iri.
3. Austenite-ferrite duplex bakin karfe. Yana da abũbuwan amfãni daga austenite da ferrite bakin karfe, kuma yana da superplasticity.
Martensitic bakin karfe.High ƙarfi, amma matalauta plasticity da weldability.
Bakin karfe misali karfe lambar kwatanta tebur da yawa tebur
China | Japan | Amurka | Koriya ta Kudu | Tarayyar Turai | Ostiraliya | Taiwan, China | Yawan yawa (t/m3) |
GB/T20878 | JIS | ASTM | KS | BSEN | AS | CNS | |
SUS403 | 403 | Saukewa: STS403 | - | 403 | 403 | 7.75 | |
20Cr13 | Saukewa: SUS420J1 | 420 | Saukewa: STS420J1 | 1.4021 | 420 | 420J1 | 7.75 |
30Cr13 | Saukewa: SUS420J2 | - | Saukewa: STS420J2 | 1.4028 | 420J2 | 420J2 | 7.75 |
SUS430 | 430 | Saukewa: STS430 | 1.4016 | 430 | 430 | 7.70 | |
SUS440A | 440A | Saukewa: STS440A | - | 440A | 440A | 7.70 | |
SUS304 | 304 | Saukewa: STS304 | 1.4301 | 304 | 304 | 7.93 | |
Saukewa: SUS304L | 304l | Saukewa: STS304L | 1.4306 | 304l | 304l | 7.93 | |
SUS316 | 316 | Saukewa: STS316 | 1.4401 | 316 | 316 | 7.98 | |
Saukewa: SUS316L | 316l | Saukewa: STS316L | 1.4404 | 316l | 316l | 7.98 | |
SUS321 | 321 | Saukewa: STS321 | 1.4541 | 321 | 321 | 7.93 | |
06Cr18Ni11Nb | SUS347 | 347 | Saukewa: STS347 | 1.455 | 347 | 347 | 7.98 |
Lokacin aikawa: Agusta-19-2021