Cast cold rolling roll and its method of manufacture

Details Cast cold rolling roll and its method of manufacture Cast cold rolling roll and its method of manufacture

1984-01-05

1985-10-22

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

148127, C21D 938, C21D 119

Patent

active

045486530

ABSTRACT:
The composite bimetallic roll for cold rolling obtained by casting comprises a heart metal constituted by a nodular or lamellar cast iron and a case metal constituted by a steel having a chromium content of 8 to 16% and a carbon content of 0.65 to 0.95%. The chromium/carbon ratio is between 11 and 16 and the structure of the case metal is martensitic with a content of residual austenite of less than 10%.

REFERENCES:
patent: 3659323 (1972-05-01), Hachisu et al.
patent: 4396442 (1983-08-01), Nakamura et al.

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