Tag: TIG filler rod

ER70S-6 TIG / GTAW Filler Metal: Filler Metal Finder Notes

ER70S-6 TIG / GTAW filler metal is a common starting point for carbon steel work, especially when the joint needs a filler with higher deoxidizer content than basic mild steel rod. For…
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August 8, 2026
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: TIG filler rod

ER70S-6 TIG / GTAW Filler Metal: Filler Metal Finder Notes

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