0 votes 0 votes The major difficulty during welding of aluminum is due to its high tendency of oxidation high thermal conductivity low melting point low density Materials, Manufacturing and Industrial Engineering gateme-2014-set1 materials-manufacturing-and-industrial-engineering casting-forming-and-joining-process principles-of-e-welding + – Arjun asked Feb 19, 2017 • recategorized Mar 4, 2021 by Lakshman Bhaiya ♦Arjun 28.5k points answer See all 0 reply