Menene bakin karfe?
Bakin karfe abu ne ba kawai na kowa a rayuwarmu ta yau da kullum, amma kuma ya yadu amfani a nauyi masana'antu, haske masana'antu da kuma yi masana'antu aikace-aikace. Bakin ƙarfe mai jure acid ana kiransa bakin karfe. Ya kunshi bakin karfe da karfe mai jure acid. A takaice dai, karfen da zai iya juriya da gurbacewar yanayi ana kiransa bakin karfe, kuma karfen da zai iya jure lalatawar kafofin watsa labarai ana kiransa karfen da ke jure wa acid. Nau'in bakin karfe da aka saba amfani da su sune 304, 304L, 316, 316L, wadanda sune jerin karfe 300 na bakin karfe austenitic. Menene ma'anar 304, 304L, 316, 316L? A gaskiya, wannan yana nufinbakin karfe misali karfe sa, Ma'auni na ƙasashe daban-daban sun bambanta, da fatan za a duba tebur mai zuwa don cikakkun bayanai.
304bakin karfe
304 bakin karfe ne na duniya da yadu amfani da karfe tare da mai kyau lalata juriya, zafi juriya, low-zazzabi ƙarfi da inji Properties; aiki mai kyau aiki da kuma babban tauri. Ana amfani dashi da yawa don yin kayan aiki da sassan da ke buƙatar ingantaccen aiki mai kyau (juriya da lalata da tsari). Yana da juriya ga lalata a cikin yanayi. Idan yanayin masana'antu ne ko kuma yanki mai gurbataccen yanayi, yana buƙatar tsaftace shi cikin lokaci don guje wa lalata. Yana da juriya ga lalata a cikin yanayi. Idan yanayin masana'antu ne ko kuma yanki mai gurbataccen yanayi, yana buƙatar tsaftace shi cikin lokaci don guje wa lalata. Bakin karfe 304 wani bakin karfe ne wanda aka san shi a cikin kasa.
316bakin karfe
Babban bambanci tsakanin 316 da 304 a cikin sinadarai shine cewa 316 ya ƙunshi Mo, kuma an gane cewa 316 yana da mafi kyawun juriya na lalata kuma ya fi tsayayya da lalata a cikin yanayin zafi fiye da 304. Ana iya amfani dashi a ƙarƙashin matsanancin zafi mai zafi. yanayi; aiki mai kyau hardening (rauni ko mara maganadisu bayan aiki); ba Magnetic a cikin m bayani yanayin; kyakkyawan aikin walda. Aikace-aikace masu yawa, irin su sinadaran, rini, takarda, oxalic acid, taki da sauran kayan aikin samarwa, masana'antar abinci, wurare a yankunan bakin teku, na musamman donbakin karfe taceda dai sauransu.
"L"
Kamar yadda muka sani, Bakin Karfe ya ƙunshi nau'o'in abubuwa daban-daban, kuma karafa tare da raguwar abun ciki na carbide fiye da abin da ke cikin gaba ɗaya za a nuna su ta hanyar ƙara "L" bayan digiri-kamar 316L, 304L. Me ya sa za mu rage carbide? Yafi don hana "lalata intergranular". Lalata intergranular, hazo na carbides a lokacin high-zazzabi waldi na karafa, lalata bond tsakanin crystal hatsi, ƙwarai rage inji ƙarfin karfe. Kuma saman karfe yana sau da yawa har yanzu ba shi da kyau, amma ba zai iya jurewa ƙwanƙwasa ba, don haka lalata ce mai haɗari.
304lbakin karfe
A matsayin ƙananan carbon 304 karfe, juriya na lalata yayi kama da na karfe 304 a ƙarƙashin yanayin al'ada, amma bayan walda ko damuwa, juriya ga lalata intergranular yana da kyau. Yana kuma iya kula da kyau lalata juriya ba tare da zafi magani da za a iya amfani da a -196 ℃～800 ℃.
316lbakin karfe
A matsayin low-carbon jerin 316 karfe, ban da wannan halaye kamar 316 karfe, yana da kyau intergranular lalata juriya. Ana iya amfani da shi ga samfurori tare da manyan buƙatu don lalatawar intergranular, da kuma kayan aikin waje a cikin sinadarai, kwal, da masana'antun man fetur, tsire-tsire masu guba da sauran filayen. Mafi girma ga lalatawar intergranular baya nufin cewa abubuwan da ba su da ƙarancin carbon sun fi saurin lalacewa. A cikin yanayi mai yawan chlorine, wannan azancin kuma ya fi girma. Abubuwan da ke cikin Mo na 316L yana sa ƙarfe yana da kyakkyawar juriya ga lalata lalata kuma ana iya amfani dashi cikin aminci a cikin mahallin da ke ɗauke da ions halogen kamar Cl-.
HENGKO bakin karfe tace kashi na 316 da 316L, yana da fa'ida daga juriya mai zafi, juriya mai kyau, ƙarfi mai ƙarfi, da ingantattun hanyoyin bincike don tabbatar da cewa ingancin samfuran daga masana'anta sun wuce kwastan.
Anan ga kwatancen babban bambance-bambance a cikin kaddarorin da halaye na nau'ikan bakin karfe 304, 304L, 316, da 316L:
| Dukiya/Halayyar | 304 | 304l | 316 | 316l |
|---|---|---|---|---|
| Abun ciki | ||||
| Carbon (C) | ≤0.08% | ≤0.030% | ≤0.08% | ≤0.030% |
| Chromium (Cr) | 18-20% | 18-20% | 16-18% | 16-18% |
| Nickel (Ni) | 8-10.5% | 8-12% | 10-14% | 10-14% |
| Molybdenum (Mo) | - | - | 2-3% | 2-3% |
| Kayayyakin Injini | ||||
| Ƙarfin Tensile (MPa) | 515 min | 485 min | 515 min | 485 min |
| Ƙarfin Haɓaka (MPa) | 205 min | 170 min | 205 min | 170 min |
| Tsawaitawa (%) | 40 min | 40 min | 40 min | 40 min |
| Juriya na Lalata | ||||
| Gabaɗaya | Yayi kyau | Yayi kyau | Mafi kyau | Mafi kyau |
| Yanayin Chloride | Matsakaici | Matsakaici | Yayi kyau | Yayi kyau |
| Tsarin tsari | Yayi kyau | Mafi kyau | Yayi kyau | Mafi kyau |
| Weldability | Yayi kyau | Madalla | Yayi kyau | Madalla |
| Aikace-aikace | Kayan dafa abinci, gyaran gine-gine, kayan sarrafa abinci | Sinadaran kwantena, welded sassa | Yanayin ruwa, kayan aikin sinadarai, magunguna | Mahalli na ruwa, ginin welded |
1. Haɗin gwiwa: 316 da 316L suna da ƙarin molybdenum wanda ke haɓaka juriya ga lalata, musamman a cikin yanayin chloride.
2. Mechanical Properties: The 'L' bambance-bambancen karatu (304L da 316L) kullum da dan kadan m ƙarfi saboda su rage carbon abun ciki, amma sun bayar da mafi kyau weldability.
3. Lalacewa Resistance: 316 da 316L sun fi girma a cikin juriya na lalata idan aka kwatanta da 304 da 304L, musamman a cikin marine da high chloride yanayi.
4. Formability: Bambance-bambancen 'L' (304L da 316L) suna ba da mafi kyawun tsari saboda raguwar abun ciki na carbon.
5. Weldability: Thearancin abun ciki na carbon a cikin 304L da 316L yana rage haɗarin hazo carbide yayin waldawa, yana sa su fi dacewa da aikace-aikacen welded fiye da takwarorinsu na ba L.
6. Aikace-aikace: Aikace-aikacen da aka bayar sune kawai misalai kaɗan, kuma kowane nau'in bakin karfe za'a iya amfani dashi a wasu aikace-aikace da yawa dangane da takamaiman buƙatun.
Lura: Madaidaicin kaddarorin na iya bambanta dangane da masana'anta da takamaiman yanayin sarrafawa. Koyaushe koma zuwa takardar bayanan masana'anta ko ma'auni don cikakkun bayanai.
Nau'in tace bakin karfe yana da madaidaicin ramukan iska, kuma ramukan tacewa iri ɗaya ne kuma an rarraba su daidai; Kyakkyawan juzu'in iska, saurin kwararar ruwan gas da rarrabuwar kai daidai gwargwado. Akwai ƙayyadaddun ƙayyadaddun girma iri-iri da nau'ikan tsari don zaɓar daga, kuma ana iya keɓance su gwargwadon buƙatu. Bangaren da aka zaren bakin karfe yana haɗawa tare da harsashi mai huɗa, wanda yake da ƙarfi kuma baya faɗuwa kuma yana da kyau; Hakanan za'a iya gina shi kai tsaye cikin harsashi mai huɗa tare da cikakkiyar bayyanar iska kuma babu ƙarin na'urorin haɗi masu ƙarfi.
Shin kun rikitar da bambance-bambance tsakanin bakin karfe 304, 304L, 316, da 316L?
Kada ku damu, ƙungiyar ƙwararrun mu a HENGKO na iya taimaka muku fahimtar bambance-bambancen kuma nemo mafi kyawun zaɓi don aikinku ko aikace-aikacenku.
Tuntube muyau don farawa da ɗaukar matakin farko don yanke shawara mai cikakken bayani.
Lokacin aikawa: Juni-04-2021
