Welding guides
Parts, troubleshooting, equipment, and life in the trade. Browse by topic or search below.
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E70S-6 Solid MIG Wire vs E71T-1 Flux Core Wire: Technical Comparison for Mild Steel Welding
Choosing between E70S-6 solid MIG wire and E71T-1 gas-shielded flux core wire affects weld appearance, penetration, deposition rate, cleanup time, outdoor usability, and productivity. While both are commonly used for carbon steel…
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Welding Safety Equipment Inspection Checklist for Shop PPE
Routine PPE inspection helps reduce welding injuries, exposure incidents, arc flash risk, burns, respiratory hazards, and equipment-related downtime. This checklist is designed for fabrication shops, maintenance departments, welding booths, and industrial welding…
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Lincoln Magnum PRO 100SG Spool Gun: Aluminum MIG Feed Fix
Soft aluminum MIG wire is hard to push through a standard MIG gun. It birdnests, shaves, slips at the drive rolls, and burns back into the tip right when the bead should…
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Why Stainless TIG Welds Sugar on the Back Side
Stainless TIG sugaring is heavy oxidation on the back side of the weld root. It usually happens when the hot root is exposed to oxygen because the purge is missing, weak, contaminated,…
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3M Speedglas G5-02 Welding Helmet Support Guide: Fitment, Lens Protection, and Ordering Checks
The 3M Speedglas G5-02 Auto Darkening Welding Helmet is a professional welding helmet built around the Speedglas G5-02 platform. This support article is intended to help buyers confirm the correct helmet, understand…
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Lincoln Electric Square Wave® 205 TIG Welder K5613-1: Fitment, Specs, and Ordering Guide
The Lincoln Electric Square Wave® 205 TIG Welder K5613-1 is a dual-voltage AC/DC TIG and AC/DC Stick welding power source built for aluminum TIG work, steel and stainless TIG work, and Stick…
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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…
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How to Fix an Unstable TIG Arc from Poor Tungsten Prep
A wandering TIG arc is often blamed on gas flow, amperage, or the machine. Those issues can matter, but the tungsten electrode is one of the first places to check. A contaminated,…
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Why MIG Wire Burns Back Into the Contact Tip
MIG burnback happens when the welding wire melts into the contact tip instead of feeding cleanly into the weld puddle. It is a common shop problem because the symptom looks simple, but…