Scratch Start Tig Sheet Metal

Assuming my mig using 025 wire couldn t.

Scratch start tig sheet metal.

It is definitely not a pretty process but also an unsuitable one for tig welding. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. So a lot of pipe welders use a 1 8 electrode even for amperages around 100 amps. The scratch start method is probably the oldest method in existence for starting the arc.

Speaking of which i still need and o a setup haha. However this technique may cause the tungsten to enter the weld and carries the risk of contamination of the weld. With scratch start tig your amperage is constant and you won t have to use any sort of pedal. There are also hand controls that can be added to tig torches.

It involves flicking tungsten across some metal until the arc starts. 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. It works by literally scratching the surface of the workpiece to form a short circuit to start an arc. 4 1 out of 5 stars 14.

Weldflame wp 17fv 12r 12 ft flexhead valve 150amp air cooled tig welding complete torch. Weldingcity tig welding torch wp 17 25r complete ready to go package air cool 25 foot cable 150amp. Scratch start the oldest method is scratch start. For applications like pipe welding using a scratch start tig setup start amperage is welding amperage.

Sure it would only be steel but i d beat o a in area affected by welding. Amazon s choice for scratch start tig kit. Sideways grinding marks are not nearly as much of a problem on thicker metal because. 79 1 30 oz get it as soon as fri sep 11.

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.