Title:
HIGH STRENGTH COLD ROLLED, PLATED STEEL SHEET FOR HOME APPLICANCES HAVING EXCELLENT HOMOGENEOUS MATERIAL PROPERTIES, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/131802
Kind Code:
A1
Abstract:
The present disclosure relates to: a cold rolled steel sheet including 0.0005-0.2 wt% of C, 0.05-0.2 wt% of Mn, at most 0.15% (excluding 0) of Si, at most 0.03% (excluding 0) of P, at most 0.015% (excluding 0) of S, 0.01-0.05% of Al, 0.01-0.1% of Ti, and at most 0.01% (excluding 0) of N, and further including 0.00001-0.35% of at least one MM component selected from the group consisting of Sn, B, Mo, Ni, and Cr with respect to the total content of the steel sheet, with the remainder comprising Fe and other inevitable impurities; and a method for manufacturing the cold-rolled steel sheet.
Inventors:
KIM YONGWOO (KR)
KIM JAEHYUNG (KR)
JEON JEACHUN (KR)
KIM JAEHYUNG (KR)
JEON JEACHUN (KR)
Application Number:
PCT/KR2021/019125
Publication Date:
June 23, 2022
Filing Date:
December 15, 2021
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C22C38/50; C21D8/02; C21D9/46; C22C38/44; C22C38/54; C23C2/06; C23C2/40; C25D3/22; C25D3/56
Domestic Patent References:
| WO2001090431A1 | 2001-11-29 |
Foreign References:
| KR20130017411A | 2013-02-20 | |||
| JP2004197119A | 2004-07-15 | |||
| JP2002212645A | 2002-07-31 | |||
| JP2003321734A | 2003-11-14 | |||
| JP2004351501A | 2004-12-16 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
Download PDF: