. Transactions. Fig. C.— per cent, carbon. Fig. D.—Carbon, per cent;nickel, 2 per cent. Annealed, quenched,drawn. Tensile strength, 96,500 lb. persquare inch.; elastic limit 66,000 lb. persquare inch; elongation in 2 in., ; per cent, reduction in area. Plate VI.—Nickel Steel. 250 METALLOGRAPHY OF STEEL FOR UNITED STATES NAVAL ORDNANCE. Microstructure of test specimens at breech end. X 80

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries