Scratch Start Tig Sheet Metal

So a lot of pipe welders use a 1 8 electrode even for amperages around 100 amps.

Scratch start tig sheet metal.

The scratch start method is probably the oldest method in existence for starting the arc. 79 1 30 oz get it as soon as fri sep 11. Free shipping by amazon. You can start at a high amperage and get a crisp start.

It involves flicking tungsten across some metal until the arc starts. However this technique may cause the tungsten to enter the weld and carries the risk of contamination of the weld. 4 1 out of 5 stars 14. And i know that some pieces may be really thin sheet metal and i wonder if a scratch start tig setup would be worth investing in.

With scratch start tig your amperage is constant and you won t have to use any sort of pedal. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Amazon s choice for scratch start tig kit. There are also hand controls that can be added to tig torches.

This is a great way to convert your stick machine into a tig welder and you can check out our article here if that interests you. Assuming my mig using 025 wire couldn t. Speaking of which i still need and o a setup haha. Sideways grinding marks are not nearly as much of a problem on thicker metal because.

Scratch start the oldest method is scratch start. Sure it would only be steel but i d beat o a in area affected by welding. Weldflame wp 17fv 12r 12 ft flexhead valve 150amp air cooled tig welding complete torch. It is definitely not a pretty process but also an unsuitable one for tig welding.

It s almost the same as sparking a match.