Method for elimination or furnace roll pickup marks on...

Details Method for elimination or furnace roll pickup marks on... Method for elimination or furnace roll pickup marks on...

C - Chemistry, Metallurgy

21

D

148/8

C21D 3/04 (2006.01) C21D 1/76 (2006.01) C21D 8/12 (2006.01) C21D 9/52 (2006.01)

Patent

CA 1049904

METHOD FOR ELIMINATION OF FURNACE ROLL PICKUP MARKS ON SILICON CONTAINING SHEET STEEL ABSTRACT OF THE DISCLOSURE 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.

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