Feature on Aluminum Welding from The Farm Machinery Show

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http://www.agriculture.com/videos/v/...-aluminum.htm?TxDoc's Photos Lincoln SP175 PlusLincoln Power Mig 256Lincoln 250 LX Spool Gun Lincoln Precision Tig 225 Hypertherm 600 KMG 2x72 Belt GrinderBaldor 812RE Grinder
Reply:I thought that was a well done video.I knew about the bend test to tell the difference between 4043 and 5356 filler rods but didn't know about the "ring" test to tell the difference.