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Title:
FINE SURFACE FINISH AND HIGH EFFICIENCY DESCALING METHOD OF HOT-ROLLED STEEL STRIP
Document Type and Number:
Japanese Patent JP2007136469
Kind Code:
A
Abstract:

To provide a fine surface finish and high-efficiency descaling method of a hot-rolled steel strip by which the productivity of the descaling is ensured even when manufacturing a hot-rolled steel strip having fine surface finish in the descaling of the hot-rolled steel strip.

Shot blasting is applied to the hot-rolled steel strip 10 by using shot particles of <0.30 mm in an average particle diameter and, successively, shot blasting is applied by using the shot particles of ≥0.40 mm in the average particle diameter. Or, furthermore, pickling is applied after that.


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Inventors:
MATSUBARA YUKIHIRO
HIRUTA TOSHIKI
TOMITA SHOGO
TAKANO KEI
FURUKAWA YOSHIAKI
ONO KAZUYA
Application Number:
JP2005330376A
Publication Date:
June 07, 2007
Filing Date:
November 15, 2005
Export Citation:
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Assignee:
JFE STEEL KK
International Classes:
B21B45/06; B24C1/08
Attorney, Agent or Firm:
Eiichi Kobayashi



 
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