Руководство по эксплуатации Lincoln Electric Softweld, Ferroweld, Aluminweld Cast Iron and Aluminum Arc Welding Electrodes

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WELDIRECTORY
CAST IRON AND ALUMINUM ARC WELDING ELECTRODES
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Softweld , Ferroweld and Aluminweld

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CAST IRON / ALUMINUM ELECTRODE IDENTIFICATION AND OPERATING DATA ADVANTAGE Sizes and Current Ranges LINCOLN (Amps) Marking Printed on Coating Electrode Polar- 3/32” Size 1/8” Size 5/32” Size Coating Electrode Color ity (2.5mm) (3.2mm) (4.0mm) ® SOFTWELD 55 Ni (ENiFe-CI) Ferroweld Black DC(+); AC --- St -- 80-120 A versatile, all-purpose electrode for Softweld DC(+) 100-135 repairing and reclaiming gray cast iron. Black 40-65 70-95 NiFe-CI 55 Ni AC 110-135 50-65 80-95 It is recommended for repair

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Most of the difficulty is caused by the fireproof blanket. This will produce a GUIDELINES FOR high carbon content in cast iron - strong, ductile deposit and fusion zone usually between 2% and 4% carbon. which is relatively free of cracks. WELDING CAST This fact, plus an understanding of IRON (CONT .) how cast iron is made, indicates the Welding Techniques without heating-cooling cycles needed for Preheat - Because of the size or other successful welding. problems, preheating the casting is often

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Hold the electrode almost ALUMINUM ARC GUIDELINES FOR perpendicular to the work at all times to obtain even melt-off of the flux. WELDING WELDING CAST Point the arc directly into the joint so ELECTRODES IRON (CONT .) both edges are properly and uniformly heated. PROCEDURES - USE ELECTRODE good procedures are followed. If the For tacking, use currents about 20% POSITIVE (DC+) casting must be water tight, this can above the maximum current listed in be a problem. However, leaking can the recommend