ifdlil!4 rP7,7rvJlf ^ .-Y ?.-V5 f■ f^:i- ^■—Samc material as Fig. 4 cent) in normalized condition. after moderate cold-working. Fig. 6—Same material as Figs. 4and 5 after severe cold-working. 472 … COLD DRAWN STEEL Automotive IndustriesSeptember 7, 1922 0^ o i^ 7—Typical structure of Pearlite i)i steel We seek, therefore, to produce such a state of affairsand succeed in so doing by heating the steel to a pointabove its critical range. There the carbide plates dis-appear entirely, to be…
Automobiles · Aeronautics
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