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Khoom ntawm txhuas Alloys: 1xxx - 8xxx series

Wuxi XSX hlau khoom Co., Ltd | Updated: Feb 20, 2017

铝棒.jpgTxhuas ntshiab no kuj muag. Rau overcome no, cov hlau yuav tsum alloyed nrog lwm cov co (alloying hais). Feem ntau cov txhuas xeeb raws kiab khw muaj lawm alloyed muaj tsawg kawg yog ib lwm caij. Nyob ntawm alloying hais thiab kho thaum tshav kub kub, txhuas alloy series yuav muaj ntau cov khoom, los ntawm kev pom zoo, yog cov yooj yim ntawm fabrication, kuj zoo corrosion, muaj lub zog mus-ceeb thawj piv, weldability zoo thiab siab puas toughness. Xaiv kom zoo alloy koob thaum kawg nyob ntawm daim ntawv thov yuav tsum tau thiab ua tau hauj lwm rau cov neeg mob.

Txhuas Alloy Series 1xxx

No Series (1050, 1060, 1100, 1145, 1200, 1230, 1350 etc.) muaj tsis hais alloying. Cov kev faib ua feem ntawm txhuas yog 99.3 – 99.9% thiab tas yog ua los ntawm ib cov impurities.1xxxare corrosion yav tom ntej kuj, siab thermal thiab hluav taws xob conductivities, uas tsis muaj mechanicalproperties, thiab workability yav tom ntej. Muaj ntaub ntawv ntawm no series yog tsis-hardenable alloys thiab ua tau tensile ua tau zoo ntawm MPa 40-60. Ntsis qab hauv lub zog tej zaum yuav tau ua los ntawm cov qhov hauv koj hom, hlau thiab silicon yog tus loj impurities.


Txhuas Alloy Series 2xxx

Cov txhuas alloys (2011, 2014, 2017, 2018, 2124, 2219, 2319, 201.0; 203.0; 206.0; 224.0; 242.0 etc.) alloying caij lub ntsiab yog tooj liab. Alloys ntawm no series yog lub zog loj alloys. Cov khoom xws li "muaj zog" optimum yog tiav los ntawm txoj kev kho cua sov. Tensile zog muaj txog li 400 MPa nyob tiav tas cov qhov hauv koj.

Kua heat-treated ceev rau, txhua yam khoom khaub, thiab tej thaum ib txhia tshaj, cov tsawg-cov hlau. Tej nag lossis daus kub kho (kev laus) ua hauj lwm ntxiv kom txhua yam khoom. Cov kev kho no yuav tsub kom yield zog, nrog attendant poob hauv elongation; nws ntxim rau tensile zog npaum cas yog tsis zoo kawg li thiab.

Alloys txhuas hauv koob 2xxx tsis tas li zoo corrosion kuj ua ntau lwm txhuas alloys, thiab nyob rau hauv tej lub caij lawv yuav raug lub txim intergranular corrosion. Txhuas qib hauv koob 2xxx yog zoo yam ntxiv zoo zog sov li 150° C (300 tawm ° F). Tsuas yog lub chaws 2219, cov txhuas alloys raug txwv weldability muaj, tab sis ib co alloys rau hauv no series superior machinability. Chaws 2024 yog lub alloy nyiam tuaj thiab yog siv hauv aircraft siv.


Txhuas Alloy Series 3xxx

Cov txhuas alloys (3003, 3004, 3105, 383.0; 385.0; A360; loj 390.0) alloying elementis manganese, feem ntau yog cov-kub muaj, tab sis muaj li 20% ua tau ntau dua 1xxx series txhuas alloys. Vim tsuas muaj tsawg feem pua ntawm cov manganese (ze li 1.5%) yuav tsum zoo ntxiv rau txhuas, manganese siv lub caij nyoog loj hauv ob peb alloys.


Txhuas Alloy Series 4xxx

Cov loj alloying caij hauv 4xxx series alloys (4032, 4043, 4145, 4643 etc.) yog silicon, uas yuav muab ntxiv rau kom muaj khoom txaus (mus txog 12%) ntau yam pauv loj tej ntawm lub melting ntau yam ua rau. Vim li no, txhuas-silicon alloys siv vuam hlau sib brazing alloys kom pub ntxiv tshaj txhuas, ib sab melting ntau tshaj ntawd tus puag hlau nyob qhov twg yuav tsum tau txhaj. Cov alloys uas muaj appreciable nqi silicon txhuas muaj tsaus rau charcoal thaum finishes anodic oxide, koj thiab li yog nyob rau kev thov rau kev siv architectural txho tshauv.


Txhuas Alloy Series 5xxx

Lub alloying loj caij yog magnesium; thaum nws siv li alloying lub caij uas puas loj lossis nrog manganese, qhov no yog ib ntsis-rau-High School-ua tau haujlwm-hardenable alloy. Magnesium no considerably hauj lwm zoo tshaj manganese ua ib hardener – li 0.8% Mg tau sib npaug zos 1.25% Mn – thiab nws yuav muab ntxiv rau hauv ntau dua considerably. Txhuas tus alloys hauv no series (5005, 5052, 5083, 5086, etc.) muaj zoo vuam cov yam ntxwv thiab kuj zoo kuj mus corrosion marine atmospheres thiab seawater

Txawm li ntawd los, cov kev txwv yuav tsum muab tso rau qhov nyiaj no ua hauj lwm thiab cov hauj lwm muaj peevxwm (150° F) rau txhuas dua-magnesium alloys txhob nyhav rau kev nyuaj siab-corrosion cracking permissible.


Txhuas Alloy Series 6xxx

Txhuas tus alloys hauv koob 6xxx (6061, 6063) muaj cov silicon thiab cov magnesium hauv lub proportions rau magnesium silicide (Mg2Si), uas muaj li no ua rau kom sov muaj kwv yees li ntawm. Txawm hais tias tsis raws li muaj zog li cov 2xxx thiab 7xxx alloys, 6xxx series txhuas alloys tau zoo formability, weldability, machinability, thiab corrosion kuj zoo hauj, nrog lub zog nruab nrab. Txhuas qib hauv pawg heat-treatable tau ua nyob hauv tus T4 npau (muab kub los kho tiam sis tsis nag lossis daus kub kho) thiab tom qab txoj kev ua kom tag nrho cov khoom T6 strengthened los ntawm kev kho cua sov nag lossis daus.


Txhuas Alloy Series 7xxx

Zinc, hauv cov 1 8% yog tus loj alloying caij 7xxx series txhuas alloys (7075, 7050, 7049, 710.0; 711.0 etc.), thiab thaum twg coupled muaj ib me feem pua ntawm cov magnesium tau rau heat-treatable alloys ntawm ntsis kom muaj zog heev. Tus tensile txawj xws li ntawm MPa 450 – 500 yuav tshaj 600 MPa nyob rau tej rooj plaub ntug. Cov alloys nws stress corrosion, tshwj xeeb tshaj yog thaum welded.

Feem ntau lwm hais, xws li tooj thiab chromium, thiab muab rau pluas me me. 7xxx series alloys siv airframe lug, mobile khoom, thiab lwm qhov chaw hauv dam heev. Dua zog 7xxx txhuas alloys muaj txo kuj mus stress corrosion cracking thiab ntau tus ntaub rau ib overaged me ntsis npau muab lawm ob peb ua ke lub zog, ua hauj corrosion thiab toughness puas yog.


Txhuas Alloy Series 8xxx

Koob 8xxx (8006; 8111; 8079; 850.0; 851.0; 852.0) yog reserved alloying hais uas tsis yog cov uas siv rau series 2xxx rau 7xxx. Nws mas siv nyob hauv dab dej kub dais, hau Tshuag, aluminium ntawv nyiaj thiab hais txog. Hlau thiab npib tsib xee siv kom muaj zog tsis muaj teeb meem loj tsis nyob hauv cov hluav taws xob conductivity, thiab thiaj yuav pab tau rau tej neeg xyuas pib alloys li 8017. Txhuas-lithium alloy 8090, uas muaj kws muaj zog thiab mob heev, yog tsim rau aerospace daim ntaub ntawv. Txhuas tus alloys hauv koob 8000 sib haum los Unified Numbering System A98XXX thiab lwm yam.

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