Tag: 7018 porosity

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
7018 Rod Moisture Contamination Troubleshooting: Porosity, Rod Sticking, Arc Instability, and Hydrogen Cracking Risk

7018 rod moisture contamination is a low-hydrogen failure, not just a storage inconvenience. Damp E7018 electrodes can cause porosity, rough arc starts, excessive spatter, slag trouble, underbead cracking risk, and welds that…
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May 19, 2026

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Tag: 7018 porosity

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

7018 Rod Moisture Contamination Troubleshooting: Porosity, Rod Sticking, Arc Instability, and Hydrogen Cracking Risk