ページ1に含まれる内容の要旨
WELDIRECTORY
CAST IRON AND ALUMINUM ARC WELDING ELECTRODES
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Softweld , Ferroweld and Aluminweld
ページ2に含まれる内容の要旨
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
ページ3に含まれる内容の要旨
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
ページ4に含まれる内容の要旨
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
