4043 aluminium alloy

{{Short description|Aluminium silicon alloy}}

4043 aluminium alloy{{Cite web|url=https://www.aircraftmaterials.com/data/weld/4043.html|title=Alloy 4043/ Aluminium Welding Alloy 4043|website=www.aircraftmaterials.com|access-date=2019-05-18}}{{Cite web|url=https://www.azom.com/article.aspx?ArticleID=8685|title=Aluminum 4043 Alloy (UNS A94043)|date=2013-05-02|website=AZoM.com|language=en|access-date=2019-05-18}}{{Cite web|url=https://www.harrisproductsgroup.com/en/Products/Alloys/Welding/Aluminum-Alloy/Alloy-4043-MIG.aspx|title=Alloy 4043 (MIG) {{!}} The Harris Products Group|website=www.harrisproductsgroup.com|language=en|access-date=2019-05-18}} is a wrought aluminium alloy with good corrosion resistance typically used as filler material{{cite journal |last1=Ortega |first1=Arturo Gomez |last2=Galvan |first2=Luis Corona |last3=Salem |first3=Mehdi |last4=Moussaoui |first4=Kamel |last5=Segonds |first5=Stéphane |last6=Rouquette |first6=Sébastien |last7=Deschaux-Beaume |first7=Frédéric |title=Characterisation of 4043 aluminium alloy deposits obtained by wire and arc additive manufacturing using a Cold Metal Transfer process |journal=Science and Technology of Welding and Joining |date=2019 |volume=24 |issue=6 |pages=538–547 |doi=10.1080/13621718.2018.1564986 |doi-access=free |url=https://hal-mines-albi.archives-ouvertes.fr/hal-01990880 |issn=1362-1718 |language=en}}{{Cite web|url=http://www.efunda.com/Materials/alloys/aluminum/show_aluminum.cfm?ID=AA_4043&show_prop=all&Page_Title=AA%204043|title=eFunda: Properties of Aluminum Alloy AA 4043|website=www.efunda.com|access-date=2019-05-18}} for welding of aluminium parts. It contains high amounts of silicon (between 4.5 and 6%) and trace amounts of other metals.{{Cite web|url=https://www.thefabricator.com/article/aluminumwelding/aluminum-workshop-using-4043-versus-4047-filler-wire|title=Aluminum Workshop: Using 4043 versus 4047 filler wire|website=www.thefabricator.com|language=en|access-date=2019-05-18}} It is grey in appearance and is sold as either welding wire or welding rod for TIG/MIG processes.