EP 4265787 A1 20231025 - HIGH-HARDNESS ARMORED STEEL HAVING EXCELLENT LOW-TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD THEREFOR
Title (en)
HIGH-HARDNESS ARMORED STEEL HAVING EXCELLENT LOW-TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD THEREFOR
Title (de)
HARTER GEPANZERTER STAHL MIT HERVORRAGENDER TIEFTEMPERATURSCHLAGZÄHIGKEIT UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
ACIER BLINDÉ À DURETÉ ÉLEVÉE PRÉSENTANT UNE EXCELLENTE TÉNACITÉ AU CHOC À BASSE TEMPÉRATURE, ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20200179079 A 20201218
- KR 2021015870 W 20211104
Abstract (en)
The present invention can provide armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity, and a method for manufacturing same.
IPC 8 full level
C22C 38/58 (2006.01); C21D 8/02 (2006.01); C21D 9/46 (2006.01); C22C 38/44 (2006.01); C22C 38/48 (2006.01); C22C 38/54 (2006.01)
CPC (source: EP KR)
C21D 1/02 (2013.01 - EP); C21D 1/19 (2013.01 - EP); C21D 6/004 (2013.01 - EP); C21D 8/0205 (2013.01 - EP); C21D 8/0226 (2013.01 - EP KR); C21D 8/0263 (2013.01 - EP); C21D 9/46 (2013.01 - EP KR); C22C 38/002 (2013.01 - EP); C22C 38/02 (2013.01 - EP); C22C 38/04 (2013.01 - EP); C22C 38/44 (2013.01 - EP KR); C22C 38/46 (2013.01 - EP); C22C 38/48 (2013.01 - EP KR); C22C 38/50 (2013.01 - EP); C22C 38/54 (2013.01 - EP KR); C22C 38/58 (2013.01 - EP KR); C21D 2211/001 (2013.01 - EP KR); C21D 2211/008 (2013.01 - EP KR)
Citation (search report)
See references of WO 2022131537A1
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 4265787 A1 20231025; AU 2021401505 A1 20230706; AU 2021401505 A9 20230720; KR 102498155 B1 20230208; KR 20220088237 A 20220627; WO 2022131537 A1 20220623
DOCDB simple family (application)
EP 21906842 A 20211104; AU 2021401505 A 20211104; KR 20200179079 A 20201218; KR 2021015870 W 20211104