METHOD FOR ELIMINATION OR FURNACE ROLL PICKUP MARKS ON SILICON CONTAINING SHEET STEEL

摘要

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