Method of producing hot rolled strip

Details Method of producing hot rolled strip Method of producing hot rolled strip

C - Chemistry, Metallurgy

21

D

148/34.4

C21D 8/02 (2006.01) C21D 9/68 (2006.01)

Patent

CA 1305023

METHOD OF PRODUCING HOT ROLLED STRIP ABSTRACT OF THE DISCLOSURE Disclosed is a method of producing hot rolled strip having tensile strength values of Rm = 500 to 780 N/mm2 from unal- loyed or low-alloy steel having a carbon content of 0.3 to 0.9%. A steel slab is austenitized and rolled into hot rolled strip which is cooled on a run-out roller table and then coiled. A characterizing feature of the invention is that the hot rolling and the cooling of the strip on the run-out roller are performed in such a manner that the .gamma. /.alpha. transformation in the hot rolled strip starts only in the coil and finishes in the coil. By this method, hot rolled strip having uniform properties may be produ- ced.

570984

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