EP 3875627 A4 20220316 - LOW-CR FERRITIC STAINLESS STEEL WITH EXCELLENT FORMABILITY AND HIGH TEMPERATURE PROPERTIES, AND MANUFACTURING METHOD THEREFOR
Title (en)
LOW-CR FERRITIC STAINLESS STEEL WITH EXCELLENT FORMABILITY AND HIGH TEMPERATURE PROPERTIES, AND MANUFACTURING METHOD THEREFOR
Title (de)
CHROMARMER FERRITISCHER EDELSTAHL MIT AUSGEZEICHNETER UMFORMBARKEIT UND HOCHTEMPERATUREIGENSCHAFTEN UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
ACIER INOXYDABLE FERRITIQUE À FAIBLE TENEUR EN CR PRÉSENTANT UNE APTITUDE AU FORMAGE ET DES PROPRIÉTÉS À TEMPÉRATURE ÉLEVÉE EXCELLENTES, ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20180158651 A 20181210
- KR 2019002017 W 20190220
Abstract (en)
[origin: EP3875627A1] Disclosed is a low-Cr ferritic stainless steel with excellent formability and high temperature properties and a manufacturing method thereof.The embodiments of the present disclosure provide a low-Cr ferritic stainless steel with excellent formability and excellent high-temperature strength and high-temperature oxidation resistance corresponding to high-Cr ferritic stainless steel without increasing Cr content or adding Nb by optimizing the content of Ci, Si, Sn and utilizing solid solution strengthening and precipitation strengthening, and a manufacturing method thereof.
IPC 8 full level
C22C 38/20 (2006.01); C21D 1/18 (2006.01); C21D 1/19 (2006.01); C21D 6/00 (2006.01); C21D 6/02 (2006.01); C21D 8/02 (2006.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/28 (2006.01)
CPC (source: EP KR)
C21D 1/18 (2013.01 - EP); C21D 1/19 (2013.01 - EP); C21D 6/002 (2013.01 - EP KR); C21D 6/005 (2013.01 - KR); C21D 6/008 (2013.01 - KR); C21D 6/02 (2013.01 - EP); C21D 8/0205 (2013.01 - EP); C21D 8/0236 (2013.01 - EP); C21D 8/0247 (2013.01 - EP); C21D 8/0273 (2013.01 - EP); C21D 9/46 (2013.01 - EP KR); C22C 38/00 (2013.01 - EP); C22C 38/001 (2013.01 - EP KR); C22C 38/004 (2013.01 - EP); C22C 38/008 (2013.01 - EP KR); C22C 38/02 (2013.01 - EP KR); C22C 38/04 (2013.01 - EP KR); C22C 38/06 (2013.01 - EP KR); C22C 38/20 (2013.01 - EP KR); C22C 38/28 (2013.01 - EP KR); C21D 2211/004 (2013.01 - EP); C21D 2211/005 (2013.01 - EP KR)
Citation (search report)
- [XI] US 2015345361 A1 20151203 - RYU HAN JIN [KR], et al
- [A] KR 20140083726 A 20140704 - POSCO [KR]
- [A] CN 104109809 A 20141022 - BAOSTEEL STAINLESS STEEL CO
- [A] KR 101676193 B1 20161115 - POSCO [KR]
- [A] JP 2016183400 A 20161020 - NIPPON STEEL & SUMIKIN SST
- See references of WO 2020122320A1
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)
EP 3875627 A1 20210908; EP 3875627 A4 20220316; CN 113166891 A 20210723; JP 2022513747 A 20220209; JP 7174853 B2 20221117; KR 102168829 B1 20201022; KR 20200071212 A 20200619; WO 2020122320 A1 20200618
DOCDB simple family (application)
EP 19897222 A 20190220; CN 201980081706 A 20190220; JP 2021532855 A 20190220; KR 20180158651 A 20181210; KR 2019002017 W 20190220