Coated electrode for welding cast iron

Claim 1

A COATED ARE WELDING ELECTRODE ADAPTED FOR JOINING WORKPIECES OF CAST IRON COMPRISING THE COMBINATION OF A STEEL CORE WIRE MADE OF A STEEL CONTAINING ABOUT 0.08% TO 0.35% CARBON, UP TO ABOUT 0.9% MANGANESE AND THE BALANCE ESSENTIALLY IRON, AND AFLUX COATING THEREAROUND WHICH CONTAINS BY WEIGHT ABOUT 25 TO ABOUT 50 PARTS OF ALKALINE EARTH METAL CARBONATE WITH THE PROVISO THAT ANY PORTION EXCEEDING 40 PARTS BY WEIGHT MUST BE STRONTIUM CARBONATE, ABOUT 15 TO ABOUT 30 PARTS OF ALKALINE EARTH METAL FLUORIDE, AT LEAST ABOUT 15 PARTS AND UP TO 30 PARTS OF CARBON, ABOUT 3 TO ABOUT 6 PARTS OF SILICON INTRODUCED AS A FERROSILICON ALLOY, AT LEAST ABOUT 2 PARTS AND UP TO ABOUT 10 PARTS OF AN AGENT SELECTED FROM THE GROUP CONSISTING OF RARE EARTH METALS AND RARE EARTH METAL OXIDES, AND A BINDER.