Copper-Plating Free Solid Wire Assembly for Gas-Shielded Arc Welding
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United States of America Patent
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Issued Date -
Jan 17, 2008
app pub date -
Jul 11, 2007
filing date -
Jul 13, 2006
priority date (Note) -
Abandoned
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Abstract
A copper plating-free solid wire assembly for gas-shielded arc welding includes a spool, a contact tip, and a solid wire wound around the spool. The wire is composed of 0.03-0.10 wt % C, 0.45-1.05 wt % Si, 0.90-1.90 wt % Mn, less than 0.030 wt % P, less than 0.030 wt % S, and the remainder including Fe and impurities, and a cast diameter reduction ratio according to consumption of a wire, which is defined by the following equation, is equal to or less than 0.55: Cast - diameter reduction ratio according to wire consumption = Cf - Co Cf where Cf represents the cast diameter of the wire wound around an upper portion of the spool, and Co represents the cast diameter of the wire wound around a lower portion of the spool.
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