Tig Welding Stainless Steel Pipe Amperage

For stainless steel welding you should purge to an oxygen level of 0 1 1 000 parts per million.

Tig welding stainless steel pipe amperage.

Especially on stainless gravity makes it even easier. I am currently trying to get my certs for pipe so i can get a job up north at the chevron oil refinery but im having some trouble getting enough penetration on the root. Below is a quick guide for selecting the right items for your tig welding. This will require traveling much slower and therefore produce more heat input on an overall scale.

Tig root pass on carbon steel pipe 07 27 2009 06 29 pm. Use argon as shielding gas. When welding stainless steel use dcen polarity and 2 thoriated tungsten. Tig root and hot pass 6 inch sch 80 6g pipe steel walking the cup tig root pass pushed in after hot pass proper tig weld open root weld penetration common problems with open root tig welds when it comes to open root tig welds there are some common problems but all of them are easy to fix.

Lincoln electric how to gtaw tig weld stainless steel. I am fairly new to welding at least pipe. Recommended shielding gas for short circuit stainless steel mig welding is a tri mix shielding gas. Beginners might find the stainless chart handy for mild steel the lower amps will compensate for a slower travel speed.

Carbon steel stainless steel and aluminum can all be welded using pure argon shielding gas. Ease of use easier to use products through auto settings and better visibility. In our fab shop we have the luxury of using a o2 sniffer that we use in confined space entry cases. This is basic set up information if you have questions please leave it in the comments sections.

By andy boonville i m trying to learn how to tig weld sanitary stainless pipes usually 1 5 to 2 diameter at the brewery where i work. Learn more about welding product technologies and solutions and which products feature them. However this does not mean that you should turn down your amperage. Shielding gas 90 of applications can be done with 100 argon.

For example you can use 90 he 7 5 ar and 2 5 co2. I can t find much down and dirty information about proper weld preparation and argon purging technique. Sanitary stainless pipe welds. The more heat you put into stainless steel tig welding the worse your weld will look and the more your project will warp.

How to purge with ar.