. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . s poured into the ladle, the alloy was shoveled in; the heatwas then held in the ladle for three minutes before pouring the ingots. In thiscase also the third ingot of the heat was cooled in an upright position and cutthrough longitudinally. An analysis of the ferrotitanium gave: Per cent. Carbon Titanium Iron Silicon Manganese 0. 30 Calcium trace Photographs of the ordinary and titanium ingots are shown in Fig. noticeable feature i
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . s poured into the ladle, the alloy was shoveled in; the heatwas then held in the ladle for three minutes before pouring the ingots. In thiscase also the third ingot of the heat was cooled in an upright position and cutthrough longitudinally. An analysis of the ferrotitanium gave: Per cent. Carbon Titanium Iron Silicon Manganese 0. 30 Calcium trace Photographs of the ordinary and titanium ingots are shown in Fig. noticeable feature is the increased soundness of the titanium steel, due tothe concentration of the blowholes in the pipe cavity. * The Influence of Titanium on Segregation in Bessemer Rail Steel, G. B. Waterhouse, Proceed-ings American Society for Testing Materials, Vol. X, 1910, p. 201. 406 STEEL RAILS The analyses of the ladle tests from the two heats were as follows: Carbon. Sulphur. Phosphorus. Silicon. Manganese. Ordinary steel Per cent. Per cent. Per cent. Per Per 91 Titanium steel i 1 1 , .^ .<! f, ■ ; \ • \
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