I would love to see the pictures of before and after. I literally just met a guy last night at my happy hour spot who I think can do this. He welds jewelry on the side in his home but is currently working a project at the centers for disease control welding gas lines. His allowed variance is incredibly small. They want the inside and out of his pipes to look like a wedding band. This guy is one of 125 people in the country with his same welding certifications. He was talking about welding down at 0.5 amps, which I think is quite low.
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Will makes some excellent points and I agree with all of them. - Dean Romig 03-13-2013
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