Roll for hot forming steel rod

Details Roll for hot forming steel rod Roll for hot forming steel rod

B - Operations, Transporting

21

B

80/49

B21B 27/00 (2006.01) B22F 7/06 (2006.01) C22C 29/06 (2006.01)

Patent

CA 1229005

TITLE OF THE INVENTION ROLL FOR HOT FORMING STEEL ROD ABSTRACT OF THE DISCLOSURE Disclosed herein is a carbide roll having an improved composition for hot forming steel rod in multi-stand rolling mills. The improved composi- tion comprises the addition of nickel as a binder material to a normal tungsten carbide-cobalt roll composition, preferably, so that the composition by volume is approximately: tungsten carbide--70 percent; nickel--10 percent; and cobalt--20 percent. A dual composition is disclosed, wherein the above composition forms the inner layer of the roll and an outer layer may be composed cf, by volume, tungsten carbide--70 percent and cobalt-- 30 percent.

450613

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