Low-hydrogen coated electrode

Details Low-hydrogen coated electrode Low-hydrogen coated electrode

1979-02-23

1981-02-17

Kucia, Richard R.

Electric heating

Metal heating

Weld rod composition

75123B, 21914523, 2191463, 219137WM, B23K 3530

Patent

active

042517117

ABSTRACT:
Coated electrode which can produce a weld metal showing good impact toughness and good COD values. This coated electrode comprises a carbon steel and a coating composition comprising 2 to 12% calculated as TiO.sub.2 of a titanium oxide, 0.2 to 8% of at least one selected from the group consisting of Ti, Al and Mg, 0.2 to 2% calculated as B.sub.2 O.sub.3 of a boron oxide or boron oxide compound, 40 to 60% of at least one selected from the group consisting of CaCO.sub.3, MgCO.sub.3 and BaCO.sub.3, 15 to 30% of at least one selected from the group consisting of CaF.sub.2, MgF.sub.2 and AlF.sub.3, 1 to 4.8% Si, 3 to 9% Mn, the balance being a slag forming agent, an arc stabilizing agent and a binder.

REFERENCES:
patent: 3251682 (1966-05-01), Wada
patent: 3342974 (1967-09-01), Wallner
patent: 3511701 (1970-05-01), Mouton
patent: 3919517 (1975-11-01), Ishizaki
patent: 4049436 (1977-09-01), Scheele
patent: 4120440 (1978-10-01), Kirkwood

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