Today one of the machinist messed up and needed some help. Needed to build up the bottom of a 2 inch hole he had machined too deep. So I gave it to one of my guys and he used silcon bronze rod and it flowed in well and looked great. The problem was when he went to machine it back out he burned up several inserts getting it done. So my question is what would have been a better choice of rod for an applcation where the weld needed machined after welding??? We have nickel 99 stick welding rod but in this case TIG was a better choice because of splatter.Any suggestions? Thanks
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TIG welding cast iron??