The Top Four Series of Aluminum Alloys.pdf

3000 serie, 5000 series and 8000 series with rich grades and forms are widely used in container, vehicle, shipbuilding, packaging,etc. 3003, 5052, 5083, 5086,8011 are the well known alloy grades. Welcome to know their rich uses.

1. TheTopFourSeriesofAluminumAlloys
Abstract:3000serie,5000seriesand8000serieswithrichgradesandformsarewidely
usedincontainer,vehicle,shipbuilding,packaging,etc.3003,5052,5083,5086,8011are
thewellknownalloygrades.Welcometoknowtheirrichuses.
3000seriesAluminum
3003AluminumSheet
Duetotheincreasingneedforlightweightvehiclesinrecentyears,highenergydensity
andlightweighthavebecomethedevelopmentdirectionoffuturevehiclepowerbatteries.
Atpresent,therearemanytechnicalroutesfordomesticnewenergyvehiclesintermsof
vehiclebatteries.
Underthecurrenttechnicalstandards,cylindricalbatteries,squarebatteries,and
soft-packbatterieshavebecomerelativelymaturepowercarriersinthefieldofpure
electricpassengervehicles.

2. Inordertoincreasethecruisingrange,newenergyelectricvehiclesneedalargenumber
oflithiumbatterycombinationmodules.Eachmoduleiscomposedofseveralbattery
boxes,sothequalityofeachbatteryboxhasagreatinfluenceonthequalityoftheentire
batterymodule.Inordertoreducetheweightofthebattery,itisaninevitablechoiceto
use3003h14aluminumplatetomakelithiumbatteryshell.
3003aluminiumsheetbelongstoanaluminum-manganesealloy,andthemainalloying
elementismanganese.Theboilingpointtemperatureofaluminumandmanganeseisnot
muchdifferent,sotherewillbenoproblemssuchasthedeteriorationofweldseamquality
duetotheburningofmetalelementsduringwelding.
3003aluminumalloyhaslowdensityandsoftmaterial,andhastheadvantagesofbeing
easytostretchandformthealuminumshellofthepowerbatteryasawhole.Ithasbeen
usedbymanycompaniesforbatterypackaging.Thedensityofaluminumalloyismuch
smallerthanthatoftraditionalstainlesssteelpackagingmaterials.
3003H14aluminumsheetisusedforsquare
lithiumbatterycase.Inelectricvehicle
manufacturing,3003H14powerbatterycaseisthe
mainmaterialofpowerbatteries.The3003
aluminumsheetforpowerbatteryshellsis
undergoingatransitionfrom"0state"to"H14"
state.Thefundamentalreasonliesinthe
advancementoftechnology.
"Ostate"materialhasthecharacteristicsoflow
productionefficiencyandhighyield.Thematerial
inthe"H14"stateismoresuitableforautomaticandsemi-automaticpunching,andhas
higherproductionefficiency.Therefore,somelarge-scaleandpowerfulpowerbattery
manufacturersarecurrentlyusing3003H14aluminumplate.
Whatarethe3003-h14aluminummechanicalproperties?Itreferstothefinishedproduct
afterthealuminumplateundergoessecondaryprocessingaftertheannealingprocess,
andthencomesoutaftercoldrolling,andisnotsubjectedtoheattreatment.Thestrength
ofthealuminumplateprocessedinthiswaywillberelativelyhigh,butthetensilestrength

3. isrelativelysmall.Thetensilestrengthof3003-H14isgreaterthan140MPa,whilethatof
H24is240MPa.
Thelithiumbatteryshellshavemorestrictrequirementsonthechemicalcompositionof
3003aluminumsheet.HaomeiAluminumhasagoodcontrolinordertoproduceraw
materialssuitableforbatteryshellmaterials.
5000seriesaluminumfoil
5052AluminiumMagnesiumFoil
Aluminumfoilcontainerwillgraduallyreplaceplasticcontainerandbecomethe
mainstreaminthelightandfastfoodmarket.Aluminumfoilsforcontainerinclude8011,
3003and5052aluminumfoil.5052aluminumfoilismoreexpensivethanthefirsttwo,but
itsperformanceisalsobetter.Thealuminumfoiltrayismostlymadeof8011aluminumfoil.
In5052aluminumfoilhasalsobeensoughtafterbyforeigncompaniesbecauseofits
higheststrength.
5052aluminiummagnesiumfoilcanbeusedforfoodpackagingandfoodcontainer,
safeandhygienic.Aluminumfoilforaviationfoodcontainerisgenerallyformedby
one-timestampingof5052aluminumfoilthroughthecooperationofpunchingmachine
andmold.

4. Itsproductshaveacertaindegreeofhardness,theproductpriceismoderate,andare
disposable,whilealuminumfoilisarecyclableandenvironmentallyfriendlymaterialthat
canbeusedindefinitely.Aluminumfoilhasgoodheattransferperformance,whichjust
meetstheneedsofshortvoyageandfastheating.
5052aluminumfoilcanbeusedastherawmaterialofaluminumfoilforbarbecuetrays.
Thealuminumfoilforbarbecueismadeofelectrolyticaluminumwithapurityof
99.0%-99.7%.Nobacteriaormicroorganismswillgrowonthesurface,andtherewillbe
nogreasepenetrationunderhightemperatureconditions.Thisadvantageisunmatched
byanyothermaterial.
Thehoneycombcoreistheinnerfillingofthehoneycombpanel.Thehoneycombpanel
hastheadvantagesoflightweight,waterproof,highstrengthandgoodflatness.The
aluminumhoneycombpanelisanewmaterialtoreplacethealuminumveneerand
aluminum-plasticpanel.Thehoneycombaluminumfoilhasanti-deformationandgood
soundinsulation.,heatinsulation,impactresistanceandotheradvantages.
5052aluminumfoilcanbeuseforthispurpose.Thethicknessofthealuminumfoilis
0.02~0.06mm..5052aluminiumfoilisanimportantrawmaterialofhoneycombcorethatit

5. hasagreatinfluenceonthequalityandservicelifeofhoneycombcore.
Haomeialuminumfoilisresistanttohightemperature(hightemperatureupto250
degrees,lowtemperatureminus20degrees),oilandacidandalkali.Itwillnotdecompose
withfood.TherawmaterialofaluminumfoilprovidesfoodgradeSGSreport.
50525083AluminumforBoatBuilding
Aluminumisthemostabundantmetalelement.Thepurealuminumisactiveandhaslow
strength.OtherelementsareoftenaddedtopureAltoformalloystomeettheapplication
requirements.Aluminumalloyshavelowdensity,buthighstrengthratio,closetoor
exceedinghigh-qualitysteel,goodplasticity,excellentelectricalconductivity,thermal
conductivityandcorrosionresistance.
The5000Al-MgalloyslikeASTM5083andASTM5052havebeenwidelyusedinthe
marineenvironmentbecauseofitslowdensity,highspecificstrength,andgoodcorrosion
resistance.Itisanidealmaterialformanufacturinglighthigh-speedships.The
compositioncontentof5083aluminumalloyMg4.0~4.9,Mn0.4~1.0,Cr0.05~0.25,
Fe≤0.40,Si≤0.40,Zn≤0.25,Ti≤0.15,Altheremainder..Amongthem,Mgisthemain
strengtheningelement,whichplaysacertainroleinsolidsolutionstrengthening.
Acorrosion-resistantpassivationfilmiseasytoformonthesurfaceofaluminumalloy,
whichhasacertainprotectiveeffectonthesubstrate,butthislayerofoxidefilmisoften

6. non-uniform,andthethicknessisverythin,onlyabout4nm,whichisnotenoughtoresist
corrosioninharshenvironments.
Seawaterisahighlycorrosivemedium,andtheCl-willcausethedissolutionand
destructionofthepassivationfilm,sothatthepassivationfilmlosesitsprotectiveeffect,
andthencausesthematerialtocorrodeandfail.Studieshaveconfirmedthataluminum
alloysdonotundergouniformcorrosion,andthetypicalformofcorrosionispitting
corrosion.Pittingcorrosioncancausecorrosionandperforationofmaterials,which
seriouslyaffectsthestrengthandsafetyofmaterials.Therefore,measuresneedtobe
takentoeliminateorweakentheoccurrenceofpittingcorrosionandenhancethe
practicabilityofmaterials.
The5083aluminumalloyhasasmallactivationringinseawater,anditiseasytorestore
thepassivestate.Atthesametime,thebreakdownpotentialandprotectionpotentialare
higherthantheself-corrosionpotentialinthestablestate,reflectingitsgoodcorrosion
resistanceinseawater.Cl-istheactiveionthatinducespittingcorrosionof5083
aluminumalloy,andthecontentofCl-significantlyaffectsthepittingpotential.
Aluminumisanamphotericmetalwithrelativelyactivechemicalproperties,andchemical
reactionscanoccurinbothalkalineandacidicenvironments.Experimentshave
confirmedthatcathodicpolarizationwithinacertainrangewillinhibittheanodereaction
andsignificantlyimprovethecorrosionresistanceofaluminumalloys.However,whenthe
cathodicpolarizationpotentialexceedsacertainvalue,cathodiccorrosionofaluminum
alloysmayoccur.
Theself-corrosionpotentialofASTM5083instillseawaterisabout-760mV,thepitting
corrosionbreakdownpotentialis-690mV,andthecorrespondingpittingcorrosion
protectionpotentialis-720mV.Electrochemicalcathodicprotectioncaneffectivelyinhibit
theformationanddevelopmentofpittingcorrosionin5083aluminumalloy.Inthe
seawatersystem,thesuitablecathodicprotectionpotentialrangeof5083aluminumalloy
isbetween-800~-1000mV.

7. MarineGrade5086Aluminum
Themarinegradealuminumsheetshavetheadvantagesofexcellentcorrosionresistance
andweldability,whichcanmeetthespecificrequirementsofnavigation.Atpresent,
aluminum-magnesium alloys, aluminum-magnesium-silicon alloys and
aluminum-zinc-magnesiumalloysaregenerallyusedasmarinealuminumalloymaterials.
Amongthem,themostcommonaresilicon-aluminum alloyand
aluminum-zinc-magnesiumalloymaterials.Aluminumalloysusedinshipbuilding
structuresmainlyincludethefollowingthreetypesofalloys:5083,5086,and5456.What
arethe5086aluminumproperties?
Themainalloyingelementsof5086aluminumplatearemagnesiumandsilicon.Ithas
highcorrosionresistance,goodweldabilityandmediumstrength.Intermsofmechanical
properties,thetensilestrengthof5086aluminumsheetis≥240,conditionalyieldstrength
is≥95,elongationis≥10.
Inseawatercorrosionexperiments,themaximumdepthofthecorrosionpitsofthe
5086-H34alloysampleis0.86mm,butthereisnolargestrengthloss;after5years,the
strengthlossofthefullyimmersedunprotectedweld5086sampleisnegligible,and
almostnocorrosionpitsarefound.
Inpartiallyimmersedsamples,thestrengthlossof3.2mmthickunwelded5086is
negligibleregardlessoftheimmersionconditions,whichfullyshowsthat5086maintains

8. itsinherentresistancetoseawaterstresscorrosion.
In2012,AustalUSCompanyoftheUnitedStatesbuiltthefirstbatchof"Vigilance"
all-aluminumcatamaranhigh-speedtransportships,using5083aluminumalloyplates
providedbyAlcoa.Mostofthe811.30taluminumalloysusedinthesuperstructureofthe
USNavy'sfirstballisticmissiledestroyer"Dewey"are5466thickplatesand5086thin
plates.
Theconstructionandworkingenvironmentoftheshiprequirethatthematerialshould
havegoodcorrosionresistance,weldabilityandplasticity,andcertaintensilestrength,
yieldstrength,elongation,impactresistanceandotherproperties.5086aluminumsheet
canmeettheserequirements,sotheapplicationprospectofaluminumalloyproductsin
shiptransportationvehiclesisverypromising.
HaomeiAluminumisnotonlyoneofthe5086aluminumplatesuppliers,butalsoa
supplierof5083,5456,5059,6061,etc.WithDNV,ABS,LRandCSScertification,we
haveenteredtheshipbuildingmarketofmanycountries.
8000seriesAluminum
Foraluminumfoilpharmaceuticalpackaging,thequalityislargelyreflectedintheheat
sealstrengthoftheheatsealingaluminumfoil.Thereforeitisnecessarytoanalyzethe
factorsthataffecttheheat-sealingstrengthofaluminumfoilpharmaceuticalpackaging.
Thealuminumfoilisthecarrieroftheadhesivelayer,anditsqualityhasagreatinfluence
ontheheatsealingstrengthoftheproduct.Especiallythesurfaceoiloftheoriginal
aluminumfoilcanweakenthebondingforcebetweentheadhesiveandtheoriginal
aluminumfoil.Ifthereisoilonthesurfaceofthealuminumfoilandthesurfacetensionis
lowerthan31×10m,itwillbedifficulttoachievetheidealheatsealingstrength,sothe
qualityoftheoriginalaluminumfoilmustbestrictlycontrolled.

9. Theadhesiveisaspecialsubstancecontainingasolvent.Itiscoatedonthedarkside(or
smoothside)oftheoriginalaluminumfoilundercertainprocessconditions,andisdriedin
anoventoformanadhesivelayer,whichplaysadecisiveroleintheheat-sealingstrength
oftheproduct.Adhesivescanbedividedintocolorlesstransparent,goldandcolored
series.
Themainprocessistocoattheadhesiveonthesurfaceoftheoriginalaluminumfoilto
formafilmunderthecontrolofcertainprocessparameters.Thequalityofthefilmcan
directlyaffecttheheat-sealingstrengthoftheproduct.Themoreimportantparameters
includethespeedofcoating,thesegmentaltemperatureofthedryingtunnel,theanilox
shape,depth,numberoflinesofthecoatingroller,andthepositionandangleofthe
scraper.
Theheatsealingtemperatureisanimportantfactoraffectingthestrengthoftheheatseal.

10. Ifthetemperatureistoolow,theadhesivelayercannotbewellheat-sealedwiththePVC
film,andthebondingbetweentheadhesivelayerandthePVCfilmwillnotbefirm.Ifthe
temperatureistoohigh,itwillaffectthemedicine.Therefore,areasonableheat-sealing
temperatureisusuallybetween150°Cand160°C.
Toachievetheidealheatsealingstrength,itisnecessarytosetacertainheatsealing
pressure.Ifthepressureisinsufficient,notonlytheadhesivelayeroftheproductcannot
befullyattachedtothePVCfilmforheatsealing,butevenairbubbleswillexistbetween
thetwo,failingtoachieveagoodheatsealingeffect.
Theheatsealingtimewillalsoaffecttheheatsealstrengthoftheproduct.Usually,under
thesameheat-sealingtemperatureandpressure,alongerheat-sealingtimecanmake
theheat-sealingpartmorefirmandperfect,andcanbetterachievetheexpected
heat-sealingstrength.However,theprocessconditionsofmodernhigh-speed
pharmaceuticalpackagingmachinescannotprovidealongtimeforheatsealing.Ifthe
heatsealingtimeistooshort,theheatsealbetweentheadhesivelayerandthePVCfilm
willbeinsufficient.Forthisreason,thenationalstandardstipulatesthatthescientificheat
sealingtimeis1S.
Ingeneral,therearemanyfactorsthataffecttheheatsealstrengthofsealaluminumfoil
forpharmaceuticalpackaging.Asaaluminumfoiljumborollmanufacturer,Haomei
Aluminumcanprovidequalifiedaluminumfoiljumborollforheatsealing.