EP 3418412 A4 20190821 - STEEL
Title (en)
STEEL
Title (de)
STAHL
Title (fr)
ACIER
Publication
Application
Priority
JP 2016054853 W 20160219
Abstract (en)
[origin: EP3418412A1] According to an aspect of the present invention, there is provided a steel containing, by unit mass%, C: 0.08% to 0.12%, Si: 0.05% to 0.50%, Mn: 1.50% to 3.00%, P: 0.040% or less, S: 0.020% or less, V: 0.010% or less, Ti: 0.010% or less, Nb: 0.005% or less, Cr: 1.00% to 2.50%, Cu: 0.01% to 0.50%, Ni: 0.75% to 1.60%, Mo: 0.10% to 0.50%, Al: 0.025% to 0.050%, N: 0.0100% to 0.0200%, Ca: 0% to 0.0100%, Zr: 0% to 0.0100%, Mg: 0% to 0.0100%, and a remainder including Fe and impurities, in which a ratio of an Al content to a N content is 2.6 or less, a ratio of a Mn content to a Ni content is 1.5 or more and 3.0 or less.
IPC 8 full level
C22C 38/00 (2006.01); C22C 38/58 (2006.01)
CPC (source: EP KR US)
C22C 38/00 (2013.01 - EP); C22C 38/001 (2013.01 - KR US); C22C 38/002 (2013.01 - US); C22C 38/02 (2013.01 - EP KR US); C22C 38/04 (2013.01 - EP); C22C 38/06 (2013.01 - EP KR US); C22C 38/18 (2013.01 - EP); C22C 38/40 (2013.01 - EP); C22C 38/42 (2013.01 - KR US); C22C 38/44 (2013.01 - EP KR US); C22C 38/46 (2013.01 - EP US); C22C 38/48 (2013.01 - EP US); C22C 38/50 (2013.01 - EP US); C22C 38/58 (2013.01 - EP KR US); C21D 1/18 (2013.01 - US); C21D 6/004 (2013.01 - US); C21D 6/005 (2013.01 - US); C21D 6/008 (2013.01 - US); C21D 9/46 (2013.01 - EP); C21D 2211/001 (2013.01 - US); C21D 2211/003 (2013.01 - US); C21D 2211/008 (2013.01 - US)
Citation (search report)
- [X] EP 2944417 A1 20151118 - KOBE STEEL LTD [JP]
- [X] EP 2977479 A1 20160127 - KOBE STEEL LTD [JP]
- [A] JP S63203752 A 19880823 - SUMITOMO METAL IND
- [A] EP 2690184 A1 20140129 - THYSSENKRUPP STEEL EUROPE AG [DE]
- [A] US 2013153091 A1 20130620 - FUJITA NOBUHIRO [JP], et al
- [A] JP 2001073033 A 20010321 - NISSHIN STEEL CO LTD
- [A] WO 2009082091 A1 20090702 - POSCO [KR], et al
- [A] JP 2005307246 A 20051104 - NIPPON STEEL CORP, et al
- [A] EP 2703511 A1 20140305 - NIPPON STEEL & SUMITOMO METAL CORP [JP]
- See references of WO 2017141425A1
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 3418412 A1 20181226; EP 3418412 A4 20190821; EP 3418412 B1 20210407; CN 108603259 A 20180928; CN 108603259 B 20201106; JP 6590001 B2 20191016; JP WO2017141425 A1 20181108; KR 102113045 B1 20200520; KR 20180099881 A 20180905; US 2020165711 A1 20200528; WO 2017141425 A1 20170824
DOCDB simple family (application)
EP 16890566 A 20160219; CN 201680081304 A 20160219; JP 2016054853 W 20160219; JP 2017567914 A 20160219; KR 20187022742 A 20160219; US 201616071283 A 20160219