I needed to look since it's been a long time since I did thin spotless. Is your light extremity set effectively? Dainty stuff and pure specifically need to utilize invert extremity, to keep most of the warmth out of the work. What gas or gas blend would you say you are utilizing? A few people attempt to pull off utilizing Mig gasses on a Tig, works OK on thick mellow steel however not pure or aluminum. Gas stream rate and light point and bearing of weld additionally are things to take a gander at.
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