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Title:
METHOD OF MANUFACTURING HIGH CARBON HOT ROLLED STEEL SHEET FOR COLD ROLLING
Document Type and Number:
Japanese Patent JP2014201774
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method of manufacturing a high carbon hot rolled steel sheet for cold rolling containing, by mass%, C of 0.1 to 1.3% and Si of 0.05 to 2.0% and capable of suppressing generation of shiny defects occurring after cold rolling.SOLUTION: There is provided a method of manufacturing a high carbon hot rolled steel sheet for cold rolling containing, by mass%, C of 0.1 to 1.3% and Si of 0.05 to 2.0% including imparting rolling with 1.0% or more and 20% or less of rolling percentage by a roller having a surface roughness Ra:0.6 μm or less and a roll diameter:300 mm or more after conducting hot rolling and descaling treatment.

Inventors:
KANEMOTO NORIO
Application Number:
JP2013076975A
Publication Date:
October 27, 2014
Filing Date:
April 02, 2013
Export Citation:
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Assignee:
JFE STEEL CORP
International Classes:
C21D7/02; B21B3/00; C21D7/04; C21D9/46; C22C38/00; C22C38/58
Domestic Patent References:
JPS63230825A1988-09-27
JP2008190008A2008-08-21
JP2005200712A2005-07-28
JPH07126747A1995-05-16
JPS63230825A1988-09-27
JP2008190008A2008-08-21
JP2005200712A2005-07-28
Attorney, Agent or Firm:
Shigeru Inoue
Woods Kazuhiro