Welding Digest

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WJ Dec 2025 - Feature - Welding Guns Gas Cooled vs. Water Cooled - Lead V3.webp

Welding Guns: Gas Cooled vs. Water Cooled

It is hard to imagine, but the patents for what would become gas metal arc welding (GMAW) were issued nearly 100 years ago, introducing the first concepts of a GMAW gun. Since then, the gun has evolved and remains a workhorse of the arc welding industry.

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