K- Alloy / A304 › resources › NADCA.pdfK-Alloy / A304 The housing shows no visual corrosion, nor...
Transcript of K- Alloy / A304 › resources › NADCA.pdfK-Alloy / A304 The housing shows no visual corrosion, nor...
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K-Alloy/A304CorrosionResistant,HighElonga:onAluminumAlloy
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Aluminumalloythatprovidesunexpectedlevelsofcorrosionresistancewhencomparedtotradi:onalaluminumalloys.
• Waterintrusionduetocorrosion
• Componentsbeingplacedlowerinthevehicle
• Componentsgoingintoharsherenvironments
• Strictenvironmentalrequirements
• Newenviromentsforaluminumcomponentsduetoweightreduc:onrequirements
K-Alloy/A304WhyUseK-Alloy?
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K-Alloy/A304Benefits
HighElonga+on CorrosionResistantOffersuniqueengineeringsolu:ons,nopaintorcoa:ngsrequired.
LongerDieLifeEqualtoA380.Dielifeis2-3xlongerthanotheralloys.Highironcontent.
ThermalConduc+vity15%beVerthanA3805%ascast
8%-14%heattreated
8%
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Automo:veApplica:ons
Construc:on/AgricultureEquipment
MarineApplica:ons Indoor/OutdoorLigh:ng
Furniture MilitaryApplica:ons
K-Alloy/A304TypicalApplica:ons
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K-Alloy/A304Thehousingshowsnovisualcorrosion,normetallossdietochemicalreac:on.
A360AlloyThehousingshows
signsofmaterialloss,pi]ng,andraisedperimetercompletelymissing.
K-Alloy/A304Thesamehousingshowsthetopcoverremoved.Thesealedsurfaceremainsintactandshowsnosignsofwaterintrusionnorsurfacecorrosion.
A360AlloyHousingshowssignsofwaterintrusion.Corrosiontotheedgeofthehousingispronounced.Severesurfacepi]ngisevident.
K-Alloy/A304CorrosionResistance
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PropertyK-Alloyascast
K-Alloyheattreated
Silafont-36 Aural-2 A360 A380 A383 A413
TensileStrength(PSI) 43,000 42,000 41,000 36,000 46,000 47,000 49,000 42,000
YieldStrength(PSI) 25,000 23,000 20,000 18,000 25,000 23,000 23,000 19,000
Elonga:on 5.0% 8-14%4.5%ascast
8-11%heattreated5.0%ascast
8-10%heattreated3.5% 3.5% 3.5% 3.5%
ThermalConduc:vity(W/m.k.@77°F)
120 120 120 120 113 96 96 121
ElectricalConduc:vity(%ofAICS)
32 - - - 27 25 28 31
Density(gmscm-3) 2.63 2.63 2.64 2.64 2.63 2.71 2.74 2.66
CorrosionResistance(1=worst,10=best)
10 10 10 10 6 3 3 6
DieLife%ofA380 100% 100% 40% 40% 100% 100% 100% 100%
K-Alloy/A304MaterialProper:es
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K-Alloy/A304MaterialProper:es–Aierheattreatment
UTS196MPaYS170Mpa8%elonga:onatbreak
K-Alloyrespondswelltoheattreatmentforelonga:on(highe%)applica:onneeds
Manynewstructuralautomo:vecas:ngsrequirehighere%