EP 4234747 A1 20230830 - HIGH-STRENGTH STEEL PLATE HAVING EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING SAME
Title (en)
HIGH-STRENGTH STEEL PLATE HAVING EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING SAME
Title (de)
HOCHFESTE STAHLPLATTE MIT HERVORRAGENDER BEARBEITBARKEIT UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
TÔLE D'ACIER À HAUTE RÉSISTANCE AYANT UNE EXCELLENTE APTITUDE AU FAÇONNAGE ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20200138314 A 20201023
- KR 2021014695 W 20211020
Abstract (en)
The present invention relates to a high-strength steel plate having excellent workability, and a method for manufacturing same, and more specifically, to: a high-strength steel plate which has excellent yield strength and elongation rate due to having a uniform microstructure, and thus does not suffer cracking when worked; and a method for manufacturing same.
IPC 8 full level
C22C 38/38 (2006.01); C21D 8/04 (2006.01); C21D 9/46 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01)
CPC (source: EP KR US)
C21D 1/02 (2013.01 - EP); C21D 1/18 (2013.01 - US); C21D 1/60 (2013.01 - EP); C21D 1/613 (2013.01 - EP); C21D 6/002 (2013.01 - US); C21D 6/005 (2013.01 - US); C21D 6/008 (2013.01 - US); C21D 8/0205 (2013.01 - US); C21D 8/0226 (2013.01 - EP US); C21D 8/0263 (2013.01 - EP US); C21D 8/0421 (2013.01 - KR); C21D 9/46 (2013.01 - EP KR); C21D 9/52 (2013.01 - US); C22C 38/001 (2013.01 - US); C22C 38/002 (2013.01 - US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/06 (2013.01 - US); C22C 38/12 (2013.01 - EP); C22C 38/14 (2013.01 - EP); C22C 38/26 (2013.01 - EP KR US); C22C 38/28 (2013.01 - EP KR US); C22C 38/38 (2013.01 - EP KR US); C21D 2211/001 (2013.01 - US); C21D 2211/002 (2013.01 - EP KR US); C21D 2211/005 (2013.01 - EP KR US); C21D 2211/008 (2013.01 - US); C21D 2211/009 (2013.01 - KR US)
Citation (search report)
See references of WO 2022086166A1
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 4234747 A1 20230830; CN 116568845 A 20230808; JP 2023546216 A 20231101; KR 102409896 B1 20220620; KR 20220053943 A 20220502; US 2023392229 A1 20231207; WO 2022086166 A1 20220428
DOCDB simple family (application)
EP 21883234 A 20211020; CN 202180072724 A 20211020; JP 2023524172 A 20211020; KR 20200138314 A 20201023; KR 2021014695 W 20211020; US 202118032328 A 20211020