Tig Welding Stainless Steel Pipe

Kevin stone is a senior fabricator who began applying his welding and drawing skills to the creation of massive stainless steel sculptures back in 2005.

Tig welding stainless steel pipe.

When comparing freehand welding to walking the cup there is a huge difference in weld quality and appearance. Purging the weld is the best way to protect the inside of pipes from oxidation. Seal the inside of the area to be welded with caps or dams. There are six basic steps to purging a tig weld.

Tig welding stainless steel is performed by using a non disposable tungsten electrode with a tig welder for striking up the arc. Stainless steel part 1 showed you the basics of. The preferred method for high purity food grade stainless steel is an autogenous tig square butt weld. Walking the cup is a welding technique that gives the welder much more control then free hand welding.

This process also uses shielding gas against contamination but you can weld thinner metals more efficiently. How to tig weld stainless steel. Any welded stainless steel pipe application requires shielding the back of the weld as well as the front when tig welding. This is basically a common and unique process for joining stainless steel.

Https goo gl frdnss what you will see in this episode. How to purge with ar. Prepare the pipe ends for welding. Freehand tig welding stainless steel pipe walking the cup.

Tig welding is traditionally used for welding stainless steel tube and pipe and remains the optimal solution for extremely high purity applications on tube or pipe at or below 6 inch diameter and schedule 10 wall thickness.