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Old 03-21-2010, 06:15 PM   #5 (permalink)
rcmf5525
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Join Date: Nov 2007
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Location: Hurley, MS
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Im going to talk with the Airmix guys here before I release it into the atmosphere...

Blurb from airproducts.com:

"Helium offers advantages for Gas Metal and Gas Tungsten Arc Welding -
From the manufacture of lawn chairs to tank trucks, from boats to rocket ships, gas metal arc welding (MIG) or gas tungsten arc welding (TIG) applications that can benefit from using helium as a shielding gas. Compared to pure argon, helium can provide:

Better shielding gas coverage
Higher travel speeds
Greater weld penetration of thick metals and metals with high thermal conductivity such as aluminum and copper
Increased deposition without preheating
Improved performance over mild contamination
Flatter surfaces for reduced cleanup
Greater safety with reduced fume and spatter"
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