Welding wire and welding method
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United States of America Patent
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May 9, 2017
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N/A
app pub date -
Feb 27, 2013
filing date -
Jun 10, 2005
priority date (Note) -
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Abstract
A welding wire is formed from a hoop having an inner surface and formed from a metal material, a core wire having a surface and formed from a metal material, and an alkaline metal compound. The hoop metal material and the core wire metal material are different from each other. A composition of the welding wire is divided into the hoop metal material and the core wire metal material. The alkaline metal compound is disposed between the inner face of the hoop and the surface of the core wire. An amount of the alkaline metal compound is from more than 10 ppm to 1000 ppm based on a weight of the welding wire.
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