Title:
酸化スケールの除去方法および除去装置、ならびに鋼材の製造方法
Document Type and Number:
Japanese Patent JP6939845
Kind Code:
B2
Abstract:
To provide a method and a device for removing oxided scale, which enable the relatively thick oxided scale to be removed execution of acid cleaning, and a method of manufacturing a steel material.SOLUTION: An oxided scale removal method for removing oxided scale for coating a surface of a steel material includes the steps of: applying a liquid to a surface of the oxided scale; subsequently making the applied liquid penetrate into the oxided scale; and removing the oxided scale in a liquid-permeated state by machine work, after that.SELECTED DRAWING: Figure 1
Inventors:
Tokumoto Yuta
Taku Watanabe
Koji Yamashita
Taku Watanabe
Koji Yamashita
Application Number:
JP2019100075A
Publication Date:
September 22, 2021
Filing Date:
May 29, 2019
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B23C3/14; B23C5/28; B23Q11/10; B24B1/00; C23G1/08; C23G1/19; C23G1/24
Domestic Patent References:
| JP59144514A | ||||
| JP5025666A | ||||
| JP7090648A | ||||
| JP55036063B2 | ||||
| JP62004891A | ||||
| JP5253816A | ||||
| JP9108725A | ||||
| JP2000234189A | ||||
| JP2002248507A | ||||
| JP2004148365A | ||||
| JP2013158834A | ||||
| JP2016068251A | ||||
| JP10251744A | ||||
| JP2018126814A |
Foreign References:
| US20150013127 |
Attorney, Agent or Firm:
Hiroshi Takayama