Method for elimination of furnace roll pickup marks on silicon c

Details Method for elimination of furnace roll pickup marks on silicon c Method for elimination of furnace roll pickup marks on silicon c

1975-02-10

1976-05-25

Camby, John J.

Heating

Processes of heating or heater operation

Including apparatus purging, cleaning or accretion preventing

432 23, 432236, F27B 904, F27D 700

Patent

active

039589188

ABSTRACT:
A process for continuous annealing silicon containing sheet steel whereby furnace roll pickup marks are eliminated, said process involving the use of furnace rolls having a silica peripheral surface and maintaining an annealing atmosphere containing hydrogen to water at a ratio of at least 5:1.

REFERENCES:
patent: 2753170 (1956-07-01), Ness et al.
patent: 3751195 (1973-08-01), Snow

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