Low-hydrogen-type covered arc welding electrode for high strengt

Details Low-hydrogen-type covered arc welding electrode for high strengt Low-hydrogen-type covered arc welding electrode for high strengt

1996-10-02

1997-11-18

Shaw, Clifford C.

Electric heating

Metal heating

Weld rod structure

21914623, B23K 3522

Patent

active

056884206

ABSTRACT:
A low-hydrogen-type covered arc welding electrode for high-strength Cr--Mo steels comprising a core wire and a covering material, is characterized in that the contents of components and impurities in the covered arc welding electrode are specified, the water content in the entire welding electrode is controlled to 50 to 600 ppm by weight, and the basicity BL of the covering material expressed by the following equation is controlled to 2.0 content of chemical component Y in the covering material by weight percent to the total weight of the covering material.

REFERENCES:
patent: 4503129 (1985-03-01), Okuda et al.
patent: 4994647 (1991-02-01), Tanaka et al.

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