The 1947 - Present Chevrolet & GMC Truck Message Board Network

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The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1967 - 1972 Chevy/GMC Suburbans & Panels Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=38)

- - Welding Setup (https://67-72chevytrucks.com/vboard/showthread.php?t=617582)

ERASER5

05-07-2014 05:25 PM

Re: Welding Setup

Quote:

Originally Posted by lowrollin70gmc (Post 6663680)

Tig requires 100% argon for steel, otherwise the tungsten will burn up. Old timers have also used helium but argon is cheaper.

Helium make a hotter spark. Not needed on steel. But on aluminum, Helium can make the difference. TIG started as Heli-Arc for welding air plane frames.

Helium is too expensive just to have around the garage though. It is also in short supply now.

69chevytrucker

05-07-2014 05:30 PM

Re: Welding Setup

i got a miller 140 autoset love it

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