How to Videos, Articles & More - Discover the expert in you. | ehow.com
Ensuring the proper gas flow rate is essential to the quality of the weld. Shielding gas protects the molten weld puddle from the gases in the atmosphere that cause pinhole imperfections, or porosity, in the weld. The standard shielding gas for carbon steel contains 75 percent argon and 25 percent carbon dioxide. There are other MIG welding...
How to Videos, Articles & More - Discover the expert in you. | ehow.com
Ensuring the proper gas flow rate is essential to the quality of the weld. Shielding gas protects the molten weld puddle from the gases in the atmosphere that cause pinhole imperfections, or porosity, in the weld. The standard shielding gas for carbon steel contains 75 percent argon and 25 percent carbon dioxide. There are other MIG welding...
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