Re: Just bought a TIG Welder but Ive never welded in my life?
If you're concerned with 'the back side' or inside of tubing/tanks, you can attach a seconday tube from your flow meter and aim it at the back of your work or flood a tank or tubing with your shielding gas to keep the backside of your weld clean. I've used this method successfully many times. It uses a little more gas but keeps both sides of the weld shielded from the effects of oxygen getting to the metal until it cools.
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