EP 4079905 A1 20221026 - HIGH-STRENGTH STEEL SHEET HAVING SUPERIOR WORKABILITY, AND MANUFACTURING METHOD THEREFOR
Title (en)
HIGH-STRENGTH STEEL SHEET HAVING SUPERIOR WORKABILITY, AND MANUFACTURING METHOD THEREFOR
Title (de)
HOCHFESTES STAHLBLECH, DAS ÜBERLEGENE VERFORMBARKEIT AUFWEIST. UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
TÔLE D'ACIER À HAUTE RÉSISTANCE AYANT UNE APTITUDE AU FAÇONNAGE SUPÉRIEURE, ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20190169607 A 20191218
- KR 2020016650 W 20201124
Abstract (en)
The present invention relates to a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet having a superior strength-ductility and strength-hole expansibility balance and superior bending workability, and a method for manufacturing same.
IPC 8 full level
C22C 38/04 (2006.01); C21D 8/02 (2006.01); C21D 9/68 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01)
CPC (source: EP KR US)
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 - EP KR US); C21D 8/0273 (2013.01 - EP KR US); C21D 9/46 (2013.01 - EP US); C21D 9/68 (2013.01 - EP KR); 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 38/60 (2013.01 - EP); C21D 2211/001 (2013.01 - EP KR US); C21D 2211/002 (2013.01 - EP KR US); C21D 2211/005 (2013.01 - 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 4079905 A1 20221026; EP 4079905 A4 20230524; CN 114846167 A 20220802; JP 2023507956 A 20230228; JP 2024109830 A 20240814; JP 7554828 B2 20240920; KR 102321287 B1 20211103; KR 20210078603 A 20210629; US 2023046327 A1 20230216; WO 2021125595 A1 20210624
DOCDB simple family (application)
EP 20904161 A 20201124; CN 202080087079 A 20201124; JP 2022536968 A 20201124; JP 2024084221 A 20240523; KR 20190169607 A 20191218; KR 2020016650 W 20201124; US 202017785869 A 20201124