EP 4079894 A1 20221026 - HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
Title (en)
HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING SAME
Title (de)
HOCHFESTES STAHLBLECH, DAS HERVORRAGENDE VERARBEITBARKEIT AUFWEIST, UND VERFAHREN ZUM HERSTELLEN DESSELBEN
Title (fr)
TÔLE D'ACIER À HAUTE RÉSISTANCE AYANT UNE EXCELLENTE APTITUDE AU FAÇONNAGE ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20190169610 A 20191218
- KR 2020016849 W 20201125
Abstract (en)
The present invention relates to a steel sheet and a method for manufacturing the same, the steel sheet, which can be used for automobile parts and the like, having superb bendability, and excellent balance of strength and ductility and of strength and hole expansion ratio.
IPC 8 full level
C22C 38/02 (2006.01); B21B 3/00 (2006.01); C21D 8/02 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/48 (2006.01)
CPC (source: EP KR US)
B21B 1/24 (2013.01 - KR); B21B 3/00 (2013.01 - KR); C21D 6/008 (2013.01 - EP); C21D 8/0205 (2013.01 - EP); C21D 8/0226 (2013.01 - EP KR US); C21D 8/0236 (2013.01 - EP KR US); C21D 8/0263 (2013.01 - US); C21D 8/0273 (2013.01 - EP US); C21D 9/46 (2013.01 - EP US); C22C 38/001 (2013.01 - KR US); C22C 38/002 (2013.01 - EP US); C22C 38/005 (2013.01 - EP); C22C 38/008 (2013.01 - EP); C22C 38/02 (2013.01 - EP KR US); C22C 38/04 (2013.01 - EP KR US); C22C 38/06 (2013.01 - EP KR US); C22C 38/08 (2013.01 - EP); C22C 38/10 (2013.01 - EP); C22C 38/12 (2013.01 - EP); C22C 38/14 (2013.01 - EP); C22C 38/16 (2013.01 - EP); C22C 38/22 (2013.01 - EP); C22C 38/34 (2013.01 - EP); C22C 38/38 (2013.01 - EP); C22C 38/42 (2013.01 - KR); C22C 38/44 (2013.01 - KR); C22C 38/48 (2013.01 - KR); C22C 38/60 (2013.01 - EP); C21D 2211/001 (2013.01 - EP KR US); C21D 2211/002 (2013.01 - EP US); C21D 2211/005 (2013.01 - EP KR US); C21D 2211/008 (2013.01 - EP KR US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4079894 A1 20221026; EP 4079894 A4 20230510; CN 114846165 A 20220802; JP 2023507963 A 20230228; JP 7442645 B2 20240304; KR 102348529 B1 20220107; KR 20210078606 A 20210629; US 2023030694 A1 20230202; WO 2021125604 A1 20210624
DOCDB simple family (application)
EP 20903261 A 20201125; CN 202080088513 A 20201125; JP 2022537003 A 20201125; KR 20190169610 A 20191218; KR 2020016849 W 20201125; US 202017785867 A 20201125