0 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-welding + – ♦Arjun 461 views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.