EP 1846584 B1 20170524 - AUSTENITIC STEEL HAVING HIGH STRENGTH AND FORMABILITY METHOD OF PRODUCING SAID STEEL AND USE THEREOF
Title (en)
AUSTENITIC STEEL HAVING HIGH STRENGTH AND FORMABILITY METHOD OF PRODUCING SAID STEEL AND USE THEREOF
Title (de)
AUSTENITISCHER STAHL MIT HOHER FESTIGKEIT UND VERFORMBARKEIT, VERFAHREN ZU SEINER HERSTELLUNG UND DESSEN VERWENDUNG
Title (fr)
ACIER AUSTÉNITIQUE À HAUTE RÉSISTANCE ET PROCÉDÉ POUR SA FABRICATION ET SON UTILISATION
Publication
Application
Priority
- EP 2006001034 W 20060201
- EP 05075258 A 20050202
- EP 05076960 A 20050825
- EP 06706689 A 20060201
Abstract (en)
[origin: WO2006082104A1] Substantially austenitic steel having high strength and good formability for cold rolling comprising (in weight percent) - 0.05 to 1.0 % C - 11.0 to 14.9% Mn - 1.0 to 5.0% Al - O to 2.5% Ni the remainder being iron and unavoidable impurities, wherein the microstructure comprises at least 75% in volume of austenite, and wherein (Ni+Mn) is from 11.0 to 15.9%
IPC 8 full level
C21D 6/00 (2006.01); C21D 8/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01)
CPC (source: EP KR US)
C21D 8/0205 (2013.01 - EP US); C22C 38/04 (2013.01 - EP KR US); C22C 38/06 (2013.01 - EP US); C21D 8/0236 (2013.01 - EP US); C21D 2211/001 (2013.01 - EP US)
Citation (opposition)
Opponent : ArcelorMittal
- US 3847683 A 19741112 - SASTRI A
- EP 1937861 A1 20080702 - POSCO CO LTD [KR]
- GB 297420 A 19300203 - KRUPP AG
- FR 2829775 A1 20030321 - USINOR [FR]
- FR 2796083 A1 20010112 - USINOR [FR]
- EP 1449596 A1 20040825 - CORUS TECHNOLOGY BV [NL]
- EP 1979500 A1 20081015 - POSCO [KR]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006082104 A1 20060810; CN 101111622 A 20080123; CN 101111622 B 20110907; EP 1846584 A1 20071024; EP 1846584 B1 20170524; EP 1846584 B2 20221214; JP 2008528809 A 20080731; JP 5318421 B2 20131016; KR 20070099684 A 20071009; RU 2007132863 A 20090310; RU 2401877 C2 20101020; US 2009165897 A1 20090702
DOCDB simple family (application)
EP 2006001034 W 20060201; CN 200680003885 A 20060201; EP 06706689 A 20060201; JP 2007553560 A 20060201; KR 20077020024 A 20070831; RU 2007132863 A 20060201; US 81508706 A 20060201