EP 2351868 B1 20200603 - FERRITIC STAINLESS STEEL SHEET FOR EGR COOLERS
Title (en)
FERRITIC STAINLESS STEEL SHEET FOR EGR COOLERS
Title (de)
FERRITISCHES EDELSTAHLBLECH FÜR AGR-KÜHLER
Title (fr)
TÔLE EN ACIER INOXYDABLE FERRITIQUE POUR REFROIDISSEURS RGE
Publication
Application
Priority
- JP 2009005607 W 20091023
- JP 2008274553 A 20081024
- JP 2009241500 A 20091020
Abstract (en)
[origin: EP2351868A1] A ferritic stainless steel sheet for EGR coolers includes at least, by mass% C: 0.03% or less, N: 0.05% or less, Si: 0.1% to 1%, Mn: 0.02% to 2%, Cu: 0.2% to 1.5%, Cr: 15% to 25%, Nb: 8 (C + N) % to 1%, A1: 0.5% or less, and Fe and inevitable impurities as the balance, wherein the steel sheet further includes, by mass%, Ti at an amount fulfilling the following formulae (1) and (2), and Cr and Cu are included at amounts fulfilling the following formula (3), Ti - 3N ‰¤ 0.03 ··· (1), 10(Ti - 3N) + A1 ‰¤ 0. 5··· (2), and Cr + 2.3Cu ‰¥ 18 ··· (3).
IPC 8 full level
C22C 38/38 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/20 (2006.01); C22C 38/26 (2006.01); C22C 38/58 (2006.01); F02M 26/11 (2016.01); F02M 26/29 (2016.01); F28F 19/06 (2006.01)
CPC (source: EP KR US)
C22C 38/001 (2013.01 - EP US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/20 (2013.01 - EP US); C22C 38/26 (2013.01 - EP US); C22C 38/38 (2013.01 - KR); C22C 38/58 (2013.01 - KR); F02M 26/11 (2016.02 - EP US); F02M 26/29 (2016.02 - EP US); F28F 19/06 (2013.01 - EP US); F28F 21/083 (2013.01 - EP US); F28F 21/089 (2013.01 - EP US); F02M 26/50 (2016.02 - EP US)
Citation (examination)
- EP 2224030 A1 20100901 - NIPPON STEEL & SUMIKIN SST [JP]
- JP 2003328088 A 20031119 - NISSHIN STEEL CO LTD
- DATABASE WPI Week 200219, Derwent World Patents Index; AN 2002-143595 & JP 2001288543 A 20011019 - NIPPON STEEL CORP
Designated contracting state (EPC)
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 SE SI SK SM TR
DOCDB simple family (publication)
EP 2351868 A1 20110803; EP 2351868 A4 20161130; EP 2351868 B1 20200603; CN 102131946 A 20110720; JP 2010121208 A 20100603; JP 5462583 B2 20140402; KR 101247906 B1 20130326; KR 20110036753 A 20110408; US 2011176953 A1 20110721; WO 2010047131 A1 20100429
DOCDB simple family (application)
EP 09821831 A 20091023; CN 200980133326 A 20091023; JP 2009005607 W 20091023; JP 2009241500 A 20091020; KR 20117004305 A 20091023; US 99824209 A 20091023