Tag: welding wormholes

Stick Welding Porosity Troubleshooting: Pinholes, Wormholes, Moisture, Arc Length, and Electrode Checks

Stick welding porosity usually comes from gas trapped in the weld metal before the puddle freezes. With SMAW, start with the electrode, base metal, arc length, amperage, polarity, and technique before blaming…
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May 19, 2026

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Tag: welding wormholes

Stick Welding Porosity Troubleshooting: Pinholes, Wormholes, Moisture, Arc Length, and Electrode Checks