Welds breaking

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freelance said:
It was the cheaper rods, or”low hydrogen rods” that mixed slag in the weld, better quality rods were so much better, easier to use and stronger
Click to expand...
I welded some tubes to plate, about 35mm dia, and struggled due to the way the tube sat on the plate. I ended up having to cut filler pieces so I could bridge between the two steels but my lack of experience with stick in this situation was a pain. With mig I could gradually build a bridge between the steels and proceed using stop/start to allow the weld to cool as required. I also find tacking with mig so much easier.

I wish I had a decent skill level with arc as they are such a convenient machine to move around. I also think arc produces some really strong welds.
 
Dr Strangeglove said:
I welded some tubes to plate, about 35mm dia, and struggled due to the way the tube sat on the plate. I ended up having to cut filler pieces so I could bridge between the two steels but my lack of experience with stick in this situation was a pain. With mig I could gradually build a bridge between the steels and proceed using stop/start to allow the weld to cool as required. I also find tacking with mig so much easier.

I wish I had a decent skill level with arc as they are such a convenient machine to move around. I also think arc produces some really strong welds.
Click to expand...

Arc is okay, but way to slow, and no good at all for welding thin stuff or filling gaps.
But the inverter machines now are super light weight, and like you say convenient to grab and weld, plus you can use them in all weathers.
 
If you simply weld each piece individually it’s an easy job to weld the two beads together. Again the choice of rod also helps for filling larger gaps.
 
Just an update to say thanks for all the advice on this one. I will be honest I was disheartened as it was my first welding for a while. I have removed the 2 broken wheels and re-welded and completed the welds all the way around on the other 2. Praise be its held and the hut was out of the garden and off the patio in time.. happy days..
 
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