EP 4265793 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 AYANT UNE EXCELLENTE TÉNACITÉ À L'IMPACT À BASSE TEMPÉRATURE ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20200179071 A 20201218
- KR 2021015882 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 8/0226 (2013.01 - EP KR); C21D 8/0247 (2013.01 - KR); C21D 8/0263 (2013.01 - EP); C21D 9/42 (2013.01 - EP); C21D 9/46 (2013.01 - 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)
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 4265793 A1 20231025; AU 2021400482 A1 20230706; KR 102498158 B1 20230208; KR 20220088234 A 20220627; WO 2022131543 A1 20220623
DOCDB simple family (application)
EP 21906848 A 20211104; AU 2021400482 A 20211104; KR 20200179071 A 20201218; KR 2021015882 W 20211104