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The Iron Age 1886-04-29: Vol 37 Iss 17

1886 Reed Business Information US

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oD -_ ‘ . LLL __ _£ | | V4 ‘The Iron Age veAning MATTER A Review of the Hardware, Iron and Metal Trades. AOVERTISEMENTS Published every Thursday Morning by Davin Wrtutams, Nos. 66 and 68 Duane Street, New York. Entered at the Post Office, New York, as Second-Class Matter. / XXXVII: No. 17. yodern Methods of Rail Manufactare | and the Quality of Steel Rails. manager of one of the leading rail in the country writes to us as follows : e system of direct rolling seems to be the direction of giving greater density to rails than the earlier custom of reheat- ny and rolling—that it to say, with ingots ng a sectional area of from 200 to 240 es, taken from the furnace and rolled t into rails having a sectional area of from 7 to 9 inches, and which is now our tom. Being rolled into lengths of 120 feet without any intermediate reheating, the rails, with the rapid cooling that is taking ice during the rolling, however rapidly it may be done, undergo in @ measure a system f cold rolling that certainly must add to the density of the bar, which is finished at a medium yellow heat. Under the system of rebeating and rolling the steel is finished at a little below a white heat, and the steel rtainly…

Citation

The Iron Age 1886-04-29: Vol 37 Iss 17. Reed Business Information US. 1886.