Title:
COLD-ROLLED STEEL SHEET FOR ENAMELING AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/039824
Kind Code:
A1
Abstract:
The present invention relates to a cold-rolled steel sheet for enameling and a manufacturing method therefor, the cold-rolled steel sheet comprising (in wt%), C (more than 0% and not more than 0.0015%), Mn (0.2 to 0.4%), Al (more than 0% and not more than 0.001%), P (more than 0% and not more than 0.02%), S (more than 0% and not more than 0.02%), Cr (0.05 to 0.1%), Nb (0.03 to 0.05%), N (more than 0% and not more than 0.002%), O (0.02 to 0.04%), and the balance Fe and other inevitable impurities, wherein the cold-rolled steel sheet comprises a Mn-Nb-Cr composite oxide and can improve moldability and fish-scaling resistance.
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Inventors:
CHA WOO YEOL (KR)
Application Number:
PCT/KR2018/009575
Publication Date:
February 28, 2019
Filing Date:
August 21, 2018
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/00; C21C5/28; C21C7/00; C21C7/06; C21D8/02; C21D9/46; C22C38/04; C22C38/06
Foreign References:
| KR20090043570A | 2009-05-06 | |||
| KR101193300B1 | 2012-10-19 | |||
| KR101019225B1 | 2011-03-04 | |||
| KR101289415B1 | 2013-07-24 | |||
| JP2005510624A | 2005-04-21 |
Attorney, Agent or Firm:
NAM, Seung-Hee (KR)
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