EP 4265785 A1 20231025 - HIGH-HARDNESS BULLET-PROOF STEEL WITH EXCELLENT LOW-TEMPERATURE IMPACT TOUGHNESS AND METHOD FOR MANUFACTURING SAME
Title (en)
HIGH-HARDNESS BULLET-PROOF STEEL WITH EXCELLENT LOW-TEMPERATURE IMPACT TOUGHNESS AND METHOD FOR MANUFACTURING SAME
Title (de)
KUGELSICHERER STAHL MIT HOHER HÄRTE UND HERVORRAGENDER TIEFTEMPERATURSCHLAGZÄHIGKEIT UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
ACIER RÉSISTANT AUX BALLES À DURETÉ ÉLEVÉE PRÉSENTANT UNE EXCELLENTE TÉNACITÉ AUX CHOCS À BASSE TEMPÉRATURE ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20200179081 A 20201218
- KR 2021015867 W 20211104
Abstract (en)
The present invention can provide a bullet-proof steel capable of providing excellent bullet-proof properties by having high hardness characteristics and excellent low-temperature impact toughness, 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 1/25 (2013.01 - EP); C21D 1/26 (2013.01 - EP); C21D 6/004 (2013.01 - EP); C21D 8/0205 (2013.01 - EP); C21D 8/0226 (2013.01 - 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 8/0247 (2013.01 - KR); C21D 2211/001 (2013.01 - EP KR); C21D 2211/008 (2013.01 - EP KR)
Citation (search report)
See references of WO 2022131535A1
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 4265785 A1 20231025; AU 2021400778 A1 20230706; AU 2021400778 A9 20240620; KR 102498147 B1 20230208; KR 20220088239 A 20220627; WO 2022131535 A1 20220623
DOCDB simple family (application)
EP 21906840 A 20211104; AU 2021400778 A 20211104; KR 20200179081 A 20201218; KR 2021015867 W 20211104