EP 3791000 B1 20230809 - STEEL STRIP, SHEET OR BLANK HAVING IMPROVED FORMABILITY AND METHOD TO PRODUCE SUCH STRIP
Title (en)
STEEL STRIP, SHEET OR BLANK HAVING IMPROVED FORMABILITY AND METHOD TO PRODUCE SUCH STRIP
Title (de)
STAHLBAND, BLECH ODER ROHLING MIT VERBESSERTER VERFORMBARKEIT UND VERFAHREN ZUR HERSTELLUNG SOLCH EINES BANDES
Title (fr)
BANDE D'ACIER, FEUILLE OU DÉCOUPE PRÉSENTANT UNE FORMABILITÉ AMÉLIORÉE ET PROCÉDÉ POUR PRODUIRE UNE TELLE BANDE
Publication
Application
Priority
- EP 18171327 A 20180508
- EP 2019061658 W 20190507
Abstract (en)
[origin: WO2019215132A1] The invention relates to a steel strip, sheet or blank consisting of the following elements (in wt%): 0.05 - 0.20 C 0.10 – 0.70 Si 0.80 - 2.50 Mn 0.01 - 0.10 Al 0.07 - 0.25 Ti 0.10 - 0.35 V 0.05 - 0.40 Mo optionally 0.02 - 0.10 Nb optionally 0.01 - 0.80 Cr at most 0.06 P at most 0.01 S at most 0.01 N at most 0.05 Ca the balance consisting of inevitable impurities and Fe, wherein the steel has a microstructure of at least 90% ferrite, the remainder being cementite and/or pearlite.
IPC 8 full level
C21D 8/02 (2006.01); C21D 9/46 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01)
CPC (source: EP)
C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); C21D 8/0263 (2013.01); C21D 8/0273 (2013.01); C21D 9/46 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); C21D 2211/004 (2013.01); C21D 2211/005 (2013.01)
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
DOCDB simple family (publication)
WO 2019215132 A1 20191114; CN 112166203 A 20210101; EP 3791000 A1 20210317; EP 3791000 B1 20230809
DOCDB simple family (application)
EP 2019061658 W 20190507; CN 201980035171 A 20190507; EP 19721632 A 20190507