Shielding gas for electric arc welding
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United States of America Patent
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-
Dec 2, 1986
Grant Date -
N/A
app pub date -
Nov 30, 1983
filing date -
Dec 9, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A shielding gas for use in electric arc welding is disclosed. The gas comprises a mixture of helium, argon, 1.75% to 2.25% carbon dioxide and 0.25% to 1.0% oxygen (by volume). Use of the gas enables slag-free welds which accept readily paint applied by an electrostatic deposition process.
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