Roll for a rolling mill, method of producing the same and the ro

Details Roll for a rolling mill, method of producing the same and the ro Roll for a rolling mill, method of producing the same and the ro

1984-06-28

1987-10-06

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

241228, 241293, B31B 3108

Patent

active

046973206

ABSTRACT:
A method of producing a long-life roll for a rolling mill manufacturing a rolled sheet having brightness. At least the surface of the roll barrel is made of steel containing carbide, the average grain size of which is not greater than 0.6 .mu.m, and the areal ratio of the carbide in the matrix is 6-30%. The roll is manufactured by canning steel powder produced by an RST process into a metal cylindrical container in a vacuum, sintering the powder in the cylindrical container by hot isostatic pressing, working the sintered body into the cnfiguration of a roll by machining and further giving it a heat treatment and finishing work. The roll and a rolling mill incorporating the roll are also disclosed.

REFERENCES:
patent: 3779720 (1973-12-01), Ellis et al.
patent: 4055742 (1977-10-01), Brown et al.
patent: 4137106 (1979-01-01), Doi et al.

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