EP 4269642 A1 20231101 - STEEL MATERIAL
Title (en)
STEEL MATERIAL
Title (de)
STAHLMATERIAL
Title (fr)
MATÉRIAU D'ACIER
Publication
Application
Priority
- JP 2020218859 A 20201228
- JP 2021014738 W 20210407
Abstract (en)
Provided is a steel material having a predetermined chemical composition satisfying 0.40[Pr]+0.37[Sm]+0.37[Eu]+0.36[Gd]+0.35[Tb]+0.34[Dy]+0.34[Ho]+0.33[Er]+0.33[Tm]+0.3 2[Yb]+0.32[Lu]+1.24[Sc]-2.33[O]-3.99[N]-1.74[S] ≥ 0.0003 (where [Pr], [Sm], [Eu], [Gd], [Tb], [Dy], [Ho], [Er], [Tm], [Yb], [Lu], [Sc], [O], [N], and [S] are the contents [mass%] of the elements).
IPC 8 full level
C22C 38/00 (2006.01); C22C 19/03 (2006.01); C22C 19/05 (2006.01); C22C 38/06 (2006.01); C22C 38/60 (2006.01)
CPC (source: EP KR)
C22C 19/055 (2013.01 - KR); C22C 19/056 (2013.01 - KR); C22C 19/057 (2013.01 - KR); C22C 38/001 (2013.01 - KR); C22C 38/02 (2013.01 - EP); C22C 38/04 (2013.01 - EP); C22C 38/06 (2013.01 - EP KR); C22C 38/08 (2013.01 - EP); C22C 38/12 (2013.01 - EP); C22C 38/14 (2013.01 - EP); C22C 38/16 (2013.01 - EP); C22C 38/32 (2013.01 - EP); C22C 38/34 (2013.01 - EP); C22C 38/38 (2013.01 - EP); C22C 38/42 (2013.01 - EP); C22C 38/44 (2013.01 - EP KR); C22C 38/46 (2013.01 - EP); C22C 38/48 (2013.01 - EP); C22C 38/50 (2013.01 - EP); C22C 38/52 (2013.01 - EP KR); C22C 38/54 (2013.01 - EP); C22C 38/58 (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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4269642 A1 20231101; EP 4269642 A4 20240619; CN 116745450 A 20230912; JP WO2022145061 A1 20220707; KR 20230110325 A 20230721; WO 2022145061 A1 20220707
DOCDB simple family (application)
EP 21914923 A 20210407; CN 202180087857 A 20210407; JP 2021014738 W 20210407; JP 2022572887 A 20210407; KR 20237020768 A 20210407