Aluminium ingot yog dab tsi?
Aluminium yog cov hlau dawb-dawb thiab nyob rau qib thib peb hauv lub ntiaj teb ua pob zeb tom qab oxygen thiab silicon. Qhov ntom ntawm txhuas yog me me, tsuas yog 34.61% ntawm hlau thiab 30.33% tooj liab, yog li nws tseem hu ua lub teeb hlau. Aluminium yog cov hlau uas tsis yog-ferrous uas nws cov zis thiab kev siv yog thib ob tsuas yog cov hlau hauv ntiaj teb. Vim tias txhuas yog lub teeb, nws feem ntau siv rau hauv kev tsim cov av, dej hiav txwv thiab huab cua xws li tsheb, tsheb ciav hlau, subways, nkoj, dav hlau, foob pob hluav taws, thiab lub dav hlau los txo nws tus kheej qhov hnyav thiab nce lub load. Cov khoom siv raw hauv peb txoj kev lag luam niaj hnub hu ua aluminium ingots. Raws li lub teb chaws tus qauv (GB / T 1196-2008), lawv yuav tsum tau hu ua "txhuas ingots rau remelting", tab sis txhua leej txhua tus yog siv los hu lawv "aluminium ingots". Nws yog tsim los ntawm electrolysis siv alumina-cryolite. Tom qab aluminium ingots nkag rau hauv kev lag luam, muaj ob pawg loj: cam khwb cia aluminium alloys thiab deformed aluminium alloys. Casting aluminium thiab aluminium alloys yog txhuas castings uas tsim los ntawm txoj kev casting; deformed aluminium thiab aluminium alloys yog cov txheej txheem txhuas cov khoom tsim los ntawm kev ua haujlwm siab: daim hlau, strips, foils, raj, rods, duab, xov hlau thiab forgings. Raws li lub teb chaws tus qauv, "remelting aluminium ingots muab faib ua 8 qib raws li tshuaj muaj pes tsawg leeg, uas yog Al99.90, Al99.85, Al99.70, Al99.60, Al99.50, Al99.00, Al99.7E, Al99. 6E" (Ceeb Toom: Cov ntsiab lus tom qab Al yog tus lej). Qee cov neeg hu ua "A00" txhuas, uas yog txhuas nrog purity ntawm 99.7%, uas yog hu ua "standard aluminium" nyob rau hauv lub khw London. Peb lub teb chaws cov qauv kev lag luam hauv xyoo 1950 tuaj ntawm lub qub Soviet Union. "A00" yog Lavxias teb sab hom nyob rau hauv lub Soviet Union lub teb chaws tus qauv. "A" yog ib tsab ntawv Lavxias, tsis yog lus Askiv "A" lossis "A" ntawm cov tsiaj ntawv Suav. Yog tias nws ua raws li cov qauv thoob ntiaj teb, nws yog qhov tseeb dua hu ua "standard aluminium". Standard aluminium yog ib qho txhuas ingot uas muaj 99.7% txhuas, uas tau sau npe rau hauv khw London.
Yuav ua li cas yog aluminium ingots ua
Cov txheej txheem txhuas ingot casting siv cov molten aluminium los txhaj rau hauv pwm, thiab tom qab nws tau muab tshem tawm tom qab txias rau hauv cov cam khwb cia, cov txheej txheem txhaj tshuaj yog ib kauj ruam tseem ceeb rau qhov zoo ntawm cov khoom. Cov txheej txheem casting kuj yog cov txheej txheem lub cev ntawm crystallizing kua txhuas rau hauv cov khoom txhuas.
Cov txheej txheem ntws ntawm casting aluminium ingots yog roughly raws li nram no: Aluminium tapping-slagging- khaws cov khoom xyaw-kuav loading-refining-casting-aluminium ingots rau remelting-tiav khoom soj ntsuam-tiav khoom tshuaj ntsuam-warehousing txhuas tawm-slagging off- picking up- Loadingcastingsfc. ingots-casting alloy ingots-tiav khoom tshuaj xyuas-tiav khoom tshuaj xyuas-warehousing
Feem ntau siv casting txoj kev yog muab faib ua nruam casting thiab ntsug semi-nruam casting
Nruam casting
Kev nruam nruam tuaj yeem muab faib ua qhov sib xyaw rau hauv qhov cub casting thiab sab nraud casting. Txhua yam siv cov tshuab nruam nruam. Kev sib xyaw rauv casting yog txheej txheem ntawm casting molten aluminium rau hauv qhov sib tov sib xyaw, thiab yog siv los tsim cov txhuas ingots rau remelting thiab casting alloys. Cov txheej txheem casting yog nqa tawm ncaj qha los ntawm lub ladle mus rau lub tshuab casting, uas yog tsuas yog siv thaum cov khoom siv casting tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua lossis cov khoom siv los ntawm cov khoom tsis zoo dhau los ncaj qha rau hauv lub qhov cub. Txij li tsis muaj qhov cua sov sab nraud, nws yuav tsum tau ua kom lub ladle muaj qhov kub thiab txias, feem ntau ntawm 690 ° C thiab 740 ° C nyob rau lub caij ntuj sov thiab 700 ° C mus rau 760 ° C nyob rau lub caij ntuj no los xyuas kom meej tias aluminium ingot muaj qhov zoo dua.
Rau casting nyob rau hauv lub qhov cub sib tov, cov khoom xyaw yuav tsum tau ua ntej sib tov, ces ncuav rau hauv lub qhov cub sib tov, stirred tusyees, thiab ces ntxiv nrog flux rau refining. Lub casting alloy ingot yuav tsum tau qhia meej rau ntau tshaj 30 feeb, thiab cov slag tuaj yeem nrum tom qab kev qhia meej. Thaum lub sij hawm casting, qhov cub qhov muag ntawm lub qhov cub sib tov yog ua raws li cov pwm thib ob thiab thib peb ntawm lub tshuab casting, uas tuaj yeem ua kom ntseeg tau qee qhov kev txav mus los thaum cov kua ntws hloov pauv thiab cov pwm hloov pauv. Lub qhov muag ntawm lub qhov cub thiab lub tshuab casting yog txuas nrog lub tshuab ntxhua khaub ncaws. Nws yog qhov zoo dua kom muaj lub tshuab ntxhua khaub ncaws luv luv, uas tuaj yeem txo cov txhuas oxidation thiab tsis txhob vortex thiab splashing. Thaum lub tshuab casting raug nres rau ntau tshaj 48 teev, cov pwm yuav tsum tau preheated rau 4 teev ua ntej rov pib dua. Cov molten aluminium ntws mus rau hauv pwm los ntawm kev ntxhua khaub ncaws, thiab cov oxide zaj duab xis ntawm cov molten aluminium raug tshem tawm nrog lub duav, uas yog hu ua slagging. Tom qab ib lub pwm puv lawm, lub tshuab ntxhua khaub ncaws tau hloov mus rau pwm tom ntej, thiab lub tshuab casting nce mus tas li. Cov pwm nce zuj zus mus, thiab cov molten aluminium maj mam txias. Thaum nws mus txog nruab nrab ntawm lub tshuab casting, lub molten aluminium tau solidified rau hauv txhuas ingots, uas yog cim nrog ib tug melting tooj ntawm lub tshuab luam ntawv. Thaum lub txhuas ingot nce mus txog rau sab saum toj ntawm lub tshuab casting, nws tau ua tiav rau hauv ib qho txhuas ingot. Lub sij hawm no, cov pwm yog tig, thiab cov txhuas ingot yog ejected los ntawm pwm, thiab ntog rau ntawm lub ingot tsis siv neeg txais trolley, uas yog cia li stacked thiab bundled los ntawm lub stacker los ua tus tiav txhuas ingot. Lub tshuab casting yog txias los ntawm txau dej, tab sis cov dej yuav tsum tau muab tom qab lub tshuab casting tau qhib rau ib lub kiv puag ncig tag nrho. Txhua tuj ntawm molten txhuas siv li ntawm 8-10t dej, thiab lub tshuab cua yuav tsum tau ua kom txias rau lub caij ntuj sov. Lub ingot yog ib tug ca pwm casting, thiab lub solidification kev taw qhia ntawm lub molten aluminium yog los ntawm hauv qab mus rau sab saum toj, thiab nruab nrab ntawm lub Upper ib feem solidifies thaum kawg, tawm hauv ib tug zawj-zoo li tus shrinkage. Lub sij hawm solidification thiab tej yam kev mob ntawm txhua feem ntawm aluminium ingot tsis zoo ib yam, yog li nws cov tshuaj muaj pes tsawg leeg kuj yuav txawv, tab sis nws yog nyob rau hauv txoj kab nrog tus qauv tag nrho.
Feem ntau cov teeb meem ntawm aluminium ingots rau remelting yog:
① Cov. Qhov laj thawj tseem ceeb yog vim li cas qhov kub thiab txias siab dhau lawm, cov molten aluminium muaj roj ntau, qhov chaw ntawm aluminium ingot muaj ntau qhov pores (pinholes), qhov saum npoo yog tsaus, thiab kub tawg tshwm sim thaum mob hnyav.
② Slag suav nrog. Qhov laj thawj tseem ceeb yog qhov slagging tsis huv, ua rau cov slag suav nrog ntawm qhov chaw; Qhov thib ob yog qhov kub ntawm cov molten aluminium yog tsawg dhau, ua rau cov slag suav nrog.
③ Ripple thiab flash. Qhov laj thawj tseem ceeb yog vim li cas kev ua haujlwm tsis zoo, aluminium ingot loj dhau, lossis lub tshuab casting tsis ua haujlwm zoo.
④ Kev tawg. Cov kab nrib pleb txias feem ntau tshwm sim los ntawm qhov ntsuas kub qis dhau, uas ua rau cov txhuas ingot crystals tsis ntom, ua rau xoob thiab txawm tawg. Thermal tawg yog tshwm sim los ntawm high casting kub.
⑤ Kev sib cais ntawm cov khoom. Feem ntau tshwm sim los ntawm kev sib xyaw tsis sib xws thaum casting alloy.
Vertical semi-continuous casting
Vertical semi-continuous casting yog tsuas yog siv rau zus tau tej cov txhuas hlau ingots, slab ingots thiab ntau yam deformed alloys rau kev ua profiles. Lub molten aluminium yog poured rau hauv qhov sib tov rauv tom qab batching. Vim yog cov kev cai tshwj xeeb ntawm cov xov hlau, cov phaj nruab nrab Al-B yuav tsum tau muab ntxiv kom tshem tawm cov titanium thiab vanadium (hlau ingots) los ntawm molten aluminium ua ntej casting; cov slabs yuav tsum tau ntxiv nrog Al-Ti--B alloy (Ti5% B1%) rau kev kho kom zoo. Ua kom lub koom haum nto zoo. Ntxiv 2 # refining tus neeg sawv cev rau high-magnesium alloy, tus nqi yog 5%, do tusyees, tom qab sawv rau 30 feeb, tshem tawm cov scum, ces cam khwb cia. Nqa lub chassis ntawm lub tshuab casting ua ntej casting, thiab tshuab tawm cov dej noo ntawm lub chassis nrog compressed cua. Tom qab ntawd tsa lub hauv paus phaj rau hauv crystallizer, thov ib txheej ntawm cov roj lubricating rau sab hauv phab ntsa ntawm lub crystallizer, muab qee cov dej txias rau hauv lub tsho dej, muab cov phaj qhuav thiab preheated faib, tsis siv neeg tswj ntsaws ntsaws thiab ntxhua khaub ncaws nyob rau hauv qhov chaw, kom lub phaj faib txhua qhov chaw nres nkoj nyob rau hauv nruab nrab ntawm lub crystallizer. Thaum pib ntawm casting, nias lub tshuab hloov kho tsis siv neeg nrog koj txhais tes los thaiv lub nozzle, txiav qhib lub qhov muag ntawm lub qhov cub ntawm qhov sib tov, thiab cia cov kua txhuas nkag mus rau hauv lub phaj faib los ntawm kev ntxhua khaub ncaws. Thaum cov kua txhuas nce mus txog 2/5 hauv lub phaj faib, tso lub tshuab tsis siv neeg Kho lub ntsaws kom cov molten aluminium ntws mus rau hauv cov crystallizer, thiab cov txhuas molten txias ntawm lub chassis. Thaum cov kua txhuas mus txog 30 hli siab hauv crystallizer, lub chassis tuaj yeem txo qis, thiab cov dej txias yuav pib xa. Qhov kev hloov kho tsis siv neeg tswj qhov sib npaug ntawm cov kua txhuas hauv cov crystallizer thiab ua kom qhov siab ntawm cov kua txhuas hauv cov crystallizer tsis hloov. Cov scum thiab oxide zaj duab xis nyob rau saum npoo ntawm molten aluminium yuav tsum tau muab tshem tawm hauv lub sijhawm. Thaum qhov ntev ntawm aluminium ingot yog li 6m, thaiv lub qhov muag ntawm lub qhov cub, tshem tawm cov phaj xa tawm, nres cov dej tom qab cov kua txhuas tau ruaj khov, tshem tawm lub tsho dej, tshem tawm cov cam khwb cia txhuas ingot nrog lub monorail crane, thiab muab tso rau ntawm lub tshuab sawing raws li qhov xav tau loj Pom nws tawm thiab npaj rau kev nruam tom ntej. Thaum lub sij hawm casting, qhov kub ntawm cov molten aluminium nyob rau hauv qhov sib tov rauv yog tswj ntawm 690-7l0 ° C, qhov kub ntawm cov molten txhuas nyob rau hauv lub phaj faib yog tswj ntawm 685-690 ° C, lub casting ceev yog 190-21Omm / min, thiab lub txias dej siab yog 0.147-0.196MPa.
Lub casting ceev yog proportional rau linear ingot nrog ib tug square seem:
VD = K qhov twg V yog qhov nrawm nrawm, mm / min lossis m / h; D yog qhov ntev ntawm qhov ingot seem, mm lossis m; K yog tus nqi tas li, m2 / h, feem ntau 1.2 ~ 1.5.
Vertical semi-continuous casting yog ib txoj kev ua raws li crystallization. Tom qab lub molten aluminium nkag mus rau hauv lub qhov casting, nws pib crystallize nyob rau hauv qab phaj thiab puab phab ntsa ntawm cov pwm. Vim tias qhov txias txias ntawm qhov chaw nruab nrab thiab cov sab sib txawv, cov crystallization tsim ib daim ntawv ntawm qhov nruab nrab thiab siab periphery. Lub chassis nqis los ntawm qhov ceev tsis tu ncua. Nyob rau tib lub sijhawm, sab sauv yog txuas ntxiv txhaj tshuaj nrog cov kua txhuas, kom muaj ib qho chaw semi-solidified ntawm cov khoom txhuas thiab cov kua txhuas. Vim hais tias cov kua txhuas ua kom qis thaum nws yog condensing, thiab muaj ib txheej ntawm cov roj lubricating rau ntawm phab ntsa sab hauv ntawm lub crystallizer, raws li lub chassis nqis, cov khoom siv txhuas tawm ntawm cov crystallizer. Muaj ib lub voj voog ntawm cov dej txias hauv qhov qis ntawm cov crystallizer, thiab cov dej txias tuaj yeem txau kom txog thaum nws tau dim. Qhov saum npoo ntawm aluminium ingot yog raug rau qhov txias txias kom txog rau thaum tag nrho cov hlau ingot raug nrum.
Sequential crystallization tuaj yeem tsim kom muaj kev sib haum xeeb zoo, uas muaj txiaj ntsig zoo rau cov nplej loj, cov khoom siv hluav taws xob thiab hluav taws xob conductivity ntawm crystallization. Tsis muaj qhov sib txawv ntawm cov khoom siv hauv qhov siab ntawm qhov sib piv ingot, kev sib cais kuj yog me me, qhov cua txias yog sai dua, thiab cov qauv siv lead ua zoo heev tuaj yeem tau txais.
Qhov saum npoo ntawm txhuas hlau ingot yuav tsum tiaj tus thiab du, tsis muaj slag, tawg, pores, thiab lwm yam., qhov ntev ntawm cov kab nrib pleb yuav tsum tsis txhob ntau tshaj 1.5 hli, qhov tob ntawm slag thiab ridge wrinkles ntawm qhov chaw yuav tsum tsis txhob ntau tshaj 2 hli, thiab seem yuav tsum tsis txhob muaj kab nrib pleb, pores thiab slag inclusions. Tsis muaj ntau tshaj 5 slag suav nrog tsawg dua 1 hli.
Lub ntsiab tsis xws luag ntawm txhuas hlau ingots yog:
① Kev tawg. Yog vim li cas yog tias qhov kub ntawm cov molten aluminium yog siab dhau, qhov ceev yog ceev heev, thiab qhov seem ntawm qhov kev ntxhov siab yog nce; cov ntsiab lus silicon nyob rau hauv molten aluminium yog ntau dua 0.8%, thiab tib lub yaj ntawm txhuas thiab silicon yog tsim, thiab tom qab ntawd ib co ntawm cov dawb silicon yog generated, uas tsub kom lub thermal cracking khoom ntawm cov hlau: los yog tus nqi ntawm cov dej txias yog tsis txaus. Thaum lub npoo ntawm cov pwm yog ntxhib los yog tsis muaj roj nplua nyeem, qhov saum npoo thiab cov ces kaum ntawm cov khoom siv kuj yuav tawg.
② Slag suav nrog. Lub slag suav nrog rau ntawm qhov chaw ntawm txhuas hlau ingot yog tshwm sim los ntawm qhov hloov pauv ntawm cov molten aluminium, qhov tawg ntawm oxide zaj duab xis rau ntawm qhov chaw ntawm cov molten aluminium, thiab cov scum ntawm qhov chaw nkag mus rau sab ntawm lub ingot. Qee zaum lubricating roj kuj tuaj yeem nqa qee cov slag. Internal slag suav nrog yog tshwm sim los ntawm qhov kub ntawm cov molten aluminium, siab viscosity, tsis muaj peev xwm ntawm cov slag rau ntab nyob rau hauv lub sij hawm los yog cov kev hloov tsis tu ncua ntawm molten aluminium theem thaum casting.
③Cold compartment. Qhov tsim ntawm qhov txias barrier feem ntau yog tshwm sim los ntawm kev hloov pauv ntau dhau ntawm qib ntawm molten aluminium nyob rau hauv pwm, qis casting kub, siab casting qeeb qeeb, los yog kev co thiab tsis sib xws ntawm lub tshuab casting.
④ Cov. Cov pores tau hais ntawm no yog hais txog cov pores me me uas muaj txoj kab uas hla tsawg dua 1 hli. Yog vim li cas rau qhov no yog tias qhov kub thiab txias yog qhov kub thiab txias heev, yog li cov roj uas muaj nyob rau hauv cov kua txhuas tsis tuaj yeem khiav mus rau lub sijhawm, thiab tom qab kev sib zog ua kom muaj zog, cov npuas me me tau sib sau ua ke los tsim cov pores hauv lub ingot.
⑤ Qhov saum npoo yog ntxhib. Vim tias cov phab ntsa sab hauv ntawm cov crystallizer tsis du, cov nyhuv lubrication tsis zoo, thiab cov qog txhuas ntawm cov khoom siv lead ua tau tsim nyob rau hauv cov xwm txheej hnyav. Los yog vim tias qhov piv ntawm cov hlau rau silicon loj dhau, qhov sib cais tshwm sim los ntawm qhov tsis sib xws.
⑥ Cov khoom tawg ntawm txhuas thiab rov ntsuas dua. Qhov laj thawj tseem ceeb yog qhov teeb meem ntawm kev ua haujlwm, thiab qhov loj tuaj yeem ua rau nodules.
Daim ntawv thov ntawm Cast Aluminium Silicon (Al-Si) Alloy
Aluminium-silicon (Al-Si) alloy, feem ntau ntawm Si yog feem ntau 4% ~ 22%. Vim tias Al-Si alloy muaj cov khoom zoo tshaj plaws, xws li fluidity zoo, zoo huab cua nruj, me me shrinkage thiab tsis tshua muaj cua sov nyiam, Tom qab hloov kho thiab kho cua sov, nws muaj cov khoom zoo, lub cev muaj zog, corrosion kuj thiab nruab nrab machining zog. Nws yog ntau yam thiab ntau yam ntau yam ntawm cam khwb cia txhuas alloy. Nov yog qee qhov piv txwv ntawm cov khoom siv feem ntau:
(1) ZL101(A) alloy ZL101 alloy muaj huab cua nruj, fluidity thiab thermal tawg kuj, nruab nrab cov khoom siv, vuam kev ua tau zoo thiab corrosion kuj, yooj yim muaj pes tsawg leeg, yooj yim casting, thiab haum rau ntau yam castings txoj kev. ZL101 alloy tau siv rau cov khoom siv sib txawv uas nqa cov khoom nruab nrab, xws li cov khoom siv dav hlau, cov twj paj nruag, cov twj paj nruag, cov khoom siv cav, cov tsheb thiab cov nkoj, lub tog raj kheej, cov twj tso kua mis, lub nruas nres, thiab cov khoom siv hluav taws xob. Tsis tas li ntawd, raws li ZL101 alloy, cov ntsiab lus impurity yog nruj me ntsis tswj, thiab ZL101A alloy nrog ntau dua txhua yam khoom yog tau los ntawm kev txhim kho cov cuab yeej casting. Nws tau siv los nrum ntau lub plhaub qhov chaw, lub dav hlau twj tso kua mis lub cev, lub tsheb gearboxes, thiab roj roj. Box luj tshib, aircraft accessories thiab lwm yam load-bearing qhov chaw.
(2) ZL102 alloy ZL102 alloy muaj qhov zoo tshaj plaws thermal tawg tsis kam thiab zoo huab cua nruj, nrog rau zoo fluidity, tsis tuaj yeem ntxiv dag zog los ntawm kev kho cua sov, thiab muaj zog tensile tsawg. Nws yog tsim rau casting loj thiab nyias-walled complex qhov chaw. Haum rau tuag casting. Hom alloy no tsuas yog siv los tiv thaiv qis-load nyias-walled castings nrog cov duab nyuaj, xws li ntau yam ntsuas vaj tse, tsheb casings, khoom siv kho hniav, pistons, thiab lwm yam.
(3) ZL104 alloy ZL104 alloy muaj huab cua zoo nruj, fluidity thiab thermal tawg tsis kam, siab zog, corrosion kuj, vuam kev ua tau zoo thiab txiav kev ua tau zoo, tab sis tsis tshua muaj hluav taws xob tiv thaiv lub zog, yooj yim los tsim me me pores, casting txheej txheem yog ntau nyuaj. Yog li ntawd, nws yog tsuas yog siv los tsim cov xuab zeb loj loj hlau castings uas tiv taus cov loads siab, xws li kis tau tus mob casings, lub tog raj kheej blocks, lub tog raj kheej taub hau li qub, siv lub log, npog phaj toolboxes thiab lwm yam aircraft, ships thiab tsheb qhov chaw.
(4) ZL105 alloy ZL105 alloy muaj cov cuab yeej siv siab, kev ua haujlwm zoo siab thiab vuam kev ua haujlwm, kev ua haujlwm zoo dua thiab kub ua haujlwm lub zog dua ZL104 alloy, tab sis tsis tshua muaj plasticity thiab tsis tshua muaj corrosion stability. Nws yog tsim rau ntau txoj kev casting. Hom hlau no tsuas yog siv los tsim cov dav hlau, cav xuab zeb pwm thiab hlau pwm casting qhov chaw uas dais hnyav, xws li kis tau tus mob casings, lub tog raj kheej blocks, hydraulic twj tso kua mis vaj tse thiab ntsuas qhov chaw, nrog rau cov kabmob txhawb nqa thiab lwm yam tshuab qhov chaw.
Daim ntawv thov ntawm Cast Aluminium Zinc (Al-Zn) Alloy
Rau Al-Zn alloys, vim lub siab solubility ntawm Zn nyob rau hauv Al, thaum Zn nrog ib tug loj feem ntawm ntau tshaj 10% yog ntxiv rau Al, lub zog ntawm cov alloy tuaj yeem txhim kho tau zoo. Txawm hais tias hom alloy no muaj lub siab nyiam kev laus thiab lub zog siab tuaj yeem tau txais yam tsis muaj kev kho cua sov, qhov tsis zoo ntawm hom alloy no tsis zoo corrosion tsis kam, siab ceev, thiab kub tawg yooj yim thaum casting. Yog li ntawd, hom alloy no tsuas yog siv los tsim cov cuab yeej tuag-casting vaj tsev qhov chaw.
Cov yam ntxwv thiab kev siv ntawm cov cam khwb cia Al-Zn alloys yog raws li nram no:
(1) ZL401 alloy ZL401 alloy muaj nruab nrab casting kev ua tau zoo, me me shrinkage kab noj hniav thiab kub cracking nyiam, zoo vuam kev kawm thiab txiav kev ua tau zoo, siab zog nyob rau hauv lub as-cam khwb cia lub xeev, tab sis tsis tshua muaj plasticity, siab ceev, thiab tsis zoo corrosion kuj. ZL401 alloy feem ntau yog siv rau ntau yam kev ua haujlwm siab, kev ua haujlwm kub tsis tshaj 200 degrees Celsius, thiab cov qauv thiab cov duab ntawm lub tsheb thiab dav hlau qhov chaw yog complex.
(2) ZL402 alloy ZL402 alloy muaj nruab nrab casting kev ua tau zoo, zoo fluidity, nruab nrab huab cua-tightness, thermal tawg tsis kam, zoo txiav kev ua tau zoo, siab mechanical zog thiab tej yam toughness nyob rau hauv lub as-cam khwb cia, tab sis siab ceev, smelting txheej txheem yog complex, thiab nws yog tsuas yog siv rau kev ua liaj ua teb cov cuab yeej, tshuab cuab yeej, nkoj castings, xov tooj cua compressors, pa regulators p.
Daim ntawv thov ntawm Cast Aluminium Magnesium (Al-Mg) Alloy
Qhov loj feem ntawm Mg hauv Al-Mg alloy yog 4% ~ 11%. Lub alloy muaj qhov ntom ntom tsawg, cov neeg kho tshuab siab, cov khoom siv corrosion, kev txiav txim zoo thiab zoo nkauj thiab zoo nkauj. Txawm li cas los xij, vim qhov nyuaj smelting thiab casting txheej txheem ntawm hom hlau no, ntxiv rau kev siv los ua cov hlau tsis xeb, nws kuj yog siv los ua cov hlau rau kho kom zoo nkauj. Cov yam ntxwv thiab kev siv ntawm cov cam khwb cia Al-Mg alloys yog raws li nram no.
(1) ZL301 alloy ZL301 alloy muaj lub zog siab, zoo elongation, kev ua haujlwm zoo heev, zoo weldability, tuaj yeem ua anodized, thiab vibrated. Qhov tsis zoo yog tias nws muaj lub siab xav mus rau microscopically xoob thiab nyuaj rau nrum. ZL301 alloy Nws yog siv los tsim cov khoom uas muaj corrosion kuj nyob rau hauv siab load, ua hauj lwm kub hauv qab 150 degrees Celsius, thiab ua hauj lwm nyob rau hauv cov huab cua thiab dej hiav txwv dej, xws li thav ntawv, kev txhawb nqa, rods thiab accessories.
(2) ZL303 alloy ZL303 alloy muaj corrosion kuj zoo, weldability zoo, zoo txiav kev ua tau zoo, yooj yim polishing, txais casting kev ua tau zoo, tsis tshua muaj neeg kho tshuab zog, tsis muaj zog los ntawm kev kho cua sov, thiab muaj ib tug nyiam tsim shrinkage qhov. Nws yog dav siv Die casting. Hom alloy no tsuas yog siv rau nruab nrab qhov chaw thauj khoom nyob rau hauv qhov kev txiav txim ntawm corrosion los yog qhov chaw nyob rau hauv qhov chaw txias thiab kev khiav hauj lwm kub tsis tshaj 200 degrees Celsius, xws li marine nkoj qhov chaw thiab tshuab plhaub.
(3) ZL305 alloy ZL305 alloy feem ntau yog ntxiv nrog Zn raws li Al-Mg alloy los tswj kev laus, txhim kho lub zog thiab kev ntxhov siab corrosion, muaj cov khoom zoo txhua yam, thiab txo cov oxidation, porosity thiab pore defects ntawm cov hlau. Hom alloy no tsuas yog siv rau kev thauj khoom siab, ua haujlwm kub hauv qab 100 degrees Celsius, thiab cov khoom siv siab corrosive uas ua haujlwm hauv cov huab cua lossis dej hiav txwv, xws li cov khoom hauv marine ships.
Taw qhia rau aluminium ingot kev paub
Aluminium ingot rau remelting-15kg, 20kg (≤99.80% Al):
T-shaped aluminium ingot-500kg, 1000kg (≤99.80% Al):
High-purity aluminium ingots-10kg, 15kg (99.90% ~ 99.999% Al);
Aluminium alloy ingot - 10kg, 15kg (Al-Si, Al--Cu, Al--Mg);
Phaj ingot--500 ~ 1000kg (rau phaj ua);
Round spindles-30 ~ 60kg (rau hlau kos duab).
Xav paub ntau ntxiv Link:https://www.wanmetal.com/
Qhov chaw: Internet
Disclaimer: Cov ntaub ntawv muaj nyob rau hauv tsab xov xwm no tsuas yog siv rau kev siv xwb, tsis yog kev txiav txim siab ncaj qha. Yog tias koj tsis xav ua txhaum koj txoj cai lij choj, thov hu rau peb raws sijhawm.
Post lub sij hawm: Aug-27-2021