Tig Welding Stainless Steel Pipe

Purging the weld is the best way to protect the inside of pipes from oxidation.

Tig welding stainless steel pipe.

Prepare the pipe ends for welding. A weld that was done by walking the cup is almost robot like with the bead. The preferred method for high purity food grade stainless steel is an autogenous tig square butt weld. Seal the inside of the area to be welded with caps or dams.

When comparing freehand welding to walking the cup there is a huge difference in weld quality and appearance. Since then he has used the gas tungsten arc welding gtaw aka tig process to produce an impressive collection of eagles dragons dinosaurs and more. Any welded stainless steel pipe application requires shielding the back of the weld as well as the front when tig welding. 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.

Https goo gl frdnss what you will see in this episode. Tig welding stainless steel is performed by using a non disposable tungsten electrode with a tig welder for striking up the arc. How to purge with ar. Walking the cup is a welding technique that gives the welder much more control then free hand welding.

How to tig weld stainless steel. Stainless steel part 1 showed you the basics of. There are six basic steps to purging a tig weld. This process also uses shielding gas against contamination but you can weld thinner metals more efficiently.

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.