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US 5,512,240 AGranted
Tungsten electrode material
AssigneesToho Kinzoku Co., Ltd., Hokkai Tungsten Industrial Co. Ltd.
InventorsFukuhisa Matusda, Masao Ushio, Kiyoyuki Hasegawa, Katsuyoshi Akabane, Takashi Matsuno
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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.
Claims1
An electrode material consisting of 0.02-1.0 wt. % lanthanum boride and 99.0-99.98 wt. % tungsten.
Dependencies are inferred from the claim text.