Tungsten electrode material
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United States of America Patent
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Apr 30, 1996
Grant Date -
N/A
app pub date -
Dec 30, 1994
filing date -
Jul 31, 1992
priority date (Note) -
Expired
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Abstract
An arc discharge electrode material used for various electrode materials for arc welding, which is excellent in arc ignitability and consumability. The composition is 0.02 to 1.0 wt % lanthanum boride and the rest of tungsten.
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