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'''Argonoxygen decarburization''' ('''AOD''') is a process primarily used in [[stainless steel]] [[steel making|making]] and other high grade alloys with oxidizable elements such as [[chromium]] and [[aluminium]]. After initial melting the metal is then transferred to an AOD vessel where it will be subjected to three steps of refining; [[decarburization]], [[Reduction (chemistry)|reduction]], and [[desulfurization]].
The AOD process was invented in 1954 by the Lindé Division of The [[Union Carbide Corporation]]<ref name=krivsky73>{{cite journal | doi = 10.1007/BF02667991| bibcode = 1973MT......4.1439K| title = The linde argon-oxygen process for stainless steel; A case study of major innovation in a basic industry| journal = Metallurgical Transactions| volume = 4| issue = 6| pages = 1439–1447| last1 = Krivsky| first1 = W. A.| year = 1973| s2cid = 135951136|url=https://link.springer.com/article/10.1007/BF02667991| url-access = subscription}}</ref><ref name=jalkanen14>{{cite journal |last1=Jalkanen |first1=Heikki |last2=Holappa |first2=Lauri |editor1-last=Seetharaman |editor1-first=Seshadri |title=Converter Steelmaking |journal=Treatise on Process Metallurgy: Industrial Processes |date=2014 |doi=10.1016/C2010-0-67121-5 |publisher=Elsevier|isbn=9780080969886 }}</ref> (which became known as [[Praxair]] in 1992).<ref name=uchist>[http://www.unioncarbide.com/History History] {{Webarchive|url=https://web.archive.org/web/20170609104241/http://www.unioncarbide.com/history |date=2017-06-09 }}. Unioncarbide.com (1917-11-01). Retrieved on 2013-12-28.</ref>
==Process==
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