Low porosity welding electrode

Electric heating – Metal heating – Weld rod composition

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B23K 3522

Patent

active

051719681

ABSTRACT:
The invention provides a welding electrode useful for reducing nitrogen porosity in a weld. A metallic base having 1.5 to 6 weight percent titanium, balance essentially nickel is used. The resulting deposit has less than 0.5 weight percent titanium to ensure close match of tolerances. A flux is used in combination with the metallic base to control arc behavior, atmosphere content and slag characteristics.

REFERENCES:
patent: 3770427 (1973-11-01), Petersen
patent: 3778588 (1973-12-01), Bishel
patent: 3919519 (1975-11-01), Petersen
patent: 4010309 (1977-03-01), Petersen
patent: 4213026 (1980-07-01), Duvall et al.

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