Tag: weld porosity
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Why Flux-Cored Wire Is Producing Worm Tracks (And How to Stop It)
Worm tracks in flux-cored welding are narrow, winding surface marks that usually show up on or beside the weld bead after the slag is removed. They are not normal bead texture. In…
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211 Pro MIG Weld Porosity Troubleshooting: MDX-100 Gas Coverage, Nozzle, and Setup Checks
If a 211 Pro MIG weld has pinholes, worm tracks, black soot, popping starts, or porous spots after grinding, check shielding coverage before changing wire speed or blaming the machine. On the…
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How to Stop MIG Nozzle Spatter from Blocking Gas Coverage
MIG weld porosity is often blamed on shielding gas settings, but a blocked nozzle can cause the same problem. When spatter builds up inside the MIG gun nozzle, shielding gas flow can…