Tag: wrong filler rod

TIG Filler Rod Contamination Problems: Porosity, Dirty Welds, Black Tungsten, and Wrong Alloy Checks

If TIG filler rod is contaminated, the weld can show porosity, black specks, gray bead color, soot, oxide islands, unstable arc behavior, or cracking even when the tungsten and argon flow look…
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May 20, 2026

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Tag: wrong filler rod

TIG Filler Rod Contamination Problems: Porosity, Dirty Welds, Black Tungsten, and Wrong Alloy Checks