EP 3825436 A1 20210526 - STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Title (en)
STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Title (de)
STAHLBLECH UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
TÔLE D'ACIER ET PROCÉDÉ DE PRODUCTION DE CELLE-CI
Publication
Application
Priority
- JP 2018030364 W 20180815
- JP 2019030769 W 20190805
Abstract (en)
Provided is a high-Mn steel having excellent corrosion resistance particularly in salt corrosive environments. A steel plate comprises a chemical composition containing C: 0.20 % or more and 0.70 % or less, Si: 0.05 % or more and 1.00 % or less, Mn: 15.0 % or more and 35.0 % or less, P: 0.030 % or less, S: 0.0200 % or less, Al: 0.010 % or more and 0.100 % or less, Cr: 0.5 % or more and 8.0 % or less, and N: 0.0010 % or more and 0.0300 % or less, with a balance consisting of Fe and inevitable impurities, wherein 60 % or more of the Cr is solute Cr.
IPC 8 full level
C22C 38/38 (2006.01); C21D 6/00 (2006.01); C21D 8/02 (2006.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01); C22C 38/54 (2006.01); C22C 38/58 (2006.01); C22C 38/60 (2006.01)
CPC (source: EP KR)
C21D 6/00 (2013.01 - EP); C21D 6/005 (2013.01 - EP KR); C21D 8/02 (2013.01 - EP); C21D 8/0205 (2013.01 - EP KR); C21D 8/0226 (2013.01 - EP KR); C21D 9/46 (2013.01 - EP KR); C22C 38/00 (2013.01 - EP); C22C 38/001 (2013.01 - EP KR); C22C 38/002 (2013.01 - EP KR); C22C 38/005 (2013.01 - EP KR); C22C 38/008 (2013.01 - EP KR); C22C 38/02 (2013.01 - EP KR); C22C 38/06 (2013.01 - EP KR); C22C 38/20 (2013.01 - EP KR); C22C 38/22 (2013.01 - EP KR); C22C 38/24 (2013.01 - EP KR); C22C 38/26 (2013.01 - EP KR); C22C 38/28 (2013.01 - EP KR); C22C 38/32 (2013.01 - EP KR); C22C 38/38 (2013.01 - EP KR); C22C 38/54 (2013.01 - EP KR); C22C 38/58 (2013.01 - EP KR); C22C 38/60 (2013.01 - EP KR)
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
DOCDB simple family (publication)
EP 3825436 A1 20210526; EP 3825436 A4 20210526; CN 112513309 A 20210316; CN 112513309 B 20220426; JP 6904438 B2 20210714; JP WO2020036090 A1 20200820; KR 102497359 B1 20230208; KR 20210035867 A 20210401; PH 12021550314 A1 20211011; TW 202012652 A 20200401; TW I702296 B 20200821; WO 2020035917 A1 20200220; WO 2020036090 A1 20200220
DOCDB simple family (application)
EP 19850397 A 20190805; CN 201980051501 A 20190805; JP 2018030364 W 20180815; JP 2019030769 W 20190805; JP 2019568801 A 20190805; KR 20217005489 A 20190805; PH 12021550314 A 20210211; TW 108128695 A 20190813