Welding of dubbler

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I have to weld a dubbler on where a propeller shaft used to be earlier.The thickness in the plates are 6mm, How to draw the symbolic diagram for this procedure,and what electrodes are used etc...
Reply:It may be clear as day to you, but I have no idea exactly what you are asking. Might try a little more detail and some pictures.
Reply:'Dubbler where a propeller shaft used to be'?....First off to anyone who hasn't heard the term before, dubbler usually means a circular plate put over a sheet plate to reinforce a cut-out for a through pipe or nozzle.  In this case if the shaft used to be there, it sounds like he's basically lapping on a patch to cover a hole.  Suggest a 5mm weld all around with whatever rod is compatible.Last edited by OldSparks; 11-02-2014 at 11:38 AM.