C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/4, 80/51, 148
C21D 8/02 (2006.01) B21B 27/10 (2006.01) C23F 1/08 (2006.01)
Patent
CA 2006101
A method of pre-processing a stainless steel strip to be cold-processed comprising the steps of: annealing and pickling the stainless steel strip after completing hot rolling; applying liquid lubricant with a thickness of 1 µm or less to the surfaces of rolls before the rolls come into contact with the stainless steel strip; and rolling the stainless steel strip at a reduction ratio exceeding 5 %. An apparatus for pre-processing a stainless steel to be cold-rolled comprising: annealing and pickling means having a mechanical descaling device and a pickling device; rolling means consisting of rolls arranged to be two or more stages; and means capable of applying liquid lubricant at a thin thickness to a work roll of the rolling means.
Fukuhara Akihiko
Kenmochi Kazuhito
Kishida Akira
Komatu Tomio
Yarita Ikuo
Kawasaki Steel Corporation
Smart & Biggar
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