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Excerpt from Canadian Machinery and Manufacturing News, Vol. 18: November 29, 1917
The question might be asked: Do not carbon particles enter the weld and cause a very hard quality of iron at the joint? The logical answer is yes, but if the car bon electrode is held far enough away from the weld, particles of carbon are not carried into it, and, with ordinary care, joints which are soft enough to be ma chined can always be made in steel. In cast iron it is much more difficult to pro duce a soft weld.
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