EP 2729590 B1 20151028 - HOT-ROLLED HIGH-STRENGTH STEEL STRIP WITH IMPROVED HAZ-SOFTENING RESISTANCE AND METHOD OF PRODUCING SAID STEEL
Title (en)
HOT-ROLLED HIGH-STRENGTH STEEL STRIP WITH IMPROVED HAZ-SOFTENING RESISTANCE AND METHOD OF PRODUCING SAID STEEL
Title (de)
HEISSGEWALZTER HOCHFESTER BANDSTAHL MIT VERBESSERTER HAZ-WEICHMACHERBESTÄNDIGKEIT UND HERSTELLUNGSVERFAHREN FÜR DIESEN STAHL
Title (fr)
BANDE D'ACIER HAUTE RÉSISTANCE LAMINÉE À CHAUD AVEC RÉSISTANCE ÉLEVÉE AU RAMOLLISSEMENT HAZ ET SON PROCÉDÉ DE PRODUCTION
Publication
Application
Priority
- EP 11173383 A 20110710
- EP 2012063515 W 20120710
- EP 12735134 A 20120710
Abstract (en)
[origin: WO2013007729A1] Hot-rolled high-strength micro-alloyed steel strip with improved HAZ-softening resistance having a microstructure comprising martensite, tempered martensite and/or bainite.
IPC 8 full level
C21D 8/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01)
CPC (source: EP)
C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/12 (2013.01); C21D 2211/002 (2013.01); C21D 2211/008 (2013.01)
Citation (opposition)
Opponent : voestalpine Stahl GmbH
- WO 2011154831 A1 20111215 - RAUTARUUKKI OYJ [FI], et al
- CN 1840724 A 20061004 - BAOSHAN IRON & STEEL [CN]
- CN 101676425 A 20100324 - BAOSHAN IRON & STEEL
- JP 2011052320 A 20110317 - JFE STEEL CORP
- JP 2011052321 A 20110317 - JFE STEEL CORP
- KR 20110046688 A 20110506
- CN 100372962 C 20080305 - BAOSHAN IRON & STEEL [CN]
- US 6364968 B1 20020402 - YASUHARA EIKO [JP], et al
- CN 101748346 A 20100623 - WUYANG IRON & STEEL CO LTD
- "High-strength thermomecanically rolled fine- grain steels", LEAFLET FROM VOESTALPINE, June 2008 (2008-06-01), pages 12, XP055297935
- TÖRNBLOM, S.: "Undermatching Butt Welds in High Strength Steel", MASTER THESIS, 2007, pages 1 - 99, XP055297944
- PIJPERS, R.J.M. ET AL., ADVANCED STEEL CONSTRUCTION, vol. 5, no. 1, March 2009 (2009-03-01), pages 14 - 32, XP055297951
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 2013007729 A1 20130117; CN 103649355 A 20140319; CN 103649355 B 20160817; EP 2729590 A1 20140514; EP 2729590 B1 20151028
DOCDB simple family (application)
EP 2012063515 W 20120710; CN 201280034223 A 20120710; EP 12735134 A 20120710