Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 582
mption having been madethat the wire used was pure because it was so labelled bythe manufacturer. ELECTRODES. These may be divided into two general classes—bare and fluxcovered. For most work, in either case, a mild steel wire, varyingin thickness from ^/so to ^/le, is used. The diameter depends… … Same as Fig. 9—purified. Xioo. Will not weld under any treatment. for currents of from 185 to 275 amperes. For covered electrodesthese values should be cut to about one-half. The composition isapproximately C. .18 Si. .08 Mn. .50 S. .05 P. .05 (max. value).In passing through the arc most of these…
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