Spray transfer self-shielded tubular composite hard surfacing el

Details Spray transfer self-shielded tubular composite hard surfacing el Spray transfer self-shielded tubular composite hard surfacing el

1985-02-08

1986-04-22

Albritton, Clarence L.

Electric heating

Metal heating

Weld rod composition

21914632, B23K 3522

Patent

active

045844593

ABSTRACT:
Addition of prescribed amounts of alloyed forms of at least one of magnesium, calcium, strontium and barium, preferably calcium, to the core of a tubular composite self-shielded arc welding electrode balanced to produce a hard surfacing weld deposit results in attractive smooth spray transfer operation. With electrodes producing deposits containing titanium carbide, the addition also improves the weld metal fluidity to a significant degree. Preferably, small quantities of unalloyed aluminum and magnesium are also added to the core for their beneficial effect in minimizing or eliminating weld metal porosity.

REFERENCES:
patent: 3415976 (1968-12-01), Smith
patent: 3643061 (1972-02-01), Duttera et al.
patent: 3947655 (1976-03-01), Gonzalez et al.
patent: 4451508 (1984-05-01), Brown

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