New process employed at rail mill of Colorado Fuel and Iron Corp, Pueblo, Colo, to obtain uniformity of pattern, location and hardness in end hardening of rails; process is automatically controlled throughout and employs series of Selas radiant burners under which rail ends pass on hydraulic conveyor system; hardening unit consists of series of five burners and air quenching device under which rail ends are posiitoned for predetermined periods of time.
Precision process for rail-end hardening
Ry Eng Maintenance
Railway Engineering and Maintenance ; 48 , n 6 ; p 576
1952
Article (Journal)
English
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