pipe tacks

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hey guys just need some advice on how to avoid getting excessive penetration on the beginning of my tacks. My setup and heat are correct for the root pass. thanks
Reply:Originally Posted by el_cool_unohey guys just need some advice on how to avoid getting excessive penetration on the beginning of my tacks. My setup and heat are correct for the root pass. thanks
Reply:All the questions bleheny mentioned have to be answered before we can help you.  JGSMAW,GMAW,FCAW,GTAW,SAW,PAC/PAW/OFCand Shielding Gases.  There all here. :
Reply:Its 4" schd40 im doing 6010 root with a nickle size landing and a 1/16 gap my current is set up at 65 amps (it sounds low but thats where my machine runs at good ) im dragging the rod as well. the rest of my root comes out good it only lumpy on the start of my tacks.
Reply:Change your rod angle to more straight in, if the rod is angled towards the weld deposit your going to get more penetration.  Or move faster.Have we all gone mad?
Reply:Originally Posted by el_cool_unoIts 4" schd40 im doing 6010 root with a nickle size landing and a 1/16 gap my current is set up at 65 amps (it sounds low but thats where my machine runs at good ) im dragging the rod as well. the rest of my root comes out good it only lumpy on the start of my tacks.