Title (en)

ARMORED STEEL HAVING HIGH HARDNESS AND EXCELLENT LOW-TEMPERATURE IMPACT TOUGHNESS, AND METHOD FOR MANUFACTURING SAME

Title (de)

GEPANZERTER STAHL MIT HOHER HÄRTE UND HERVORRAGENDER NIEDERTEMPERATUR-SCHLAGZÄHIGKEIT UND VERFAHREN ZUR HERSTELLUNG DAVON

Title (fr)

ACIER BLINDÉ AYANT UNE DURETÉ ÉLEVÉE ET UNE EXCELLENTE TÉNACITÉ À L'IMPACT À BASSE TEMPÉRATURE, ET SON PROCÉDÉ DE FABRICATION

Publication

EP 4265791 A1 20231025 (EN)

Application

EP 21906846 A 20211104

Priority

• KR 20200179078 A 20201218
• KR 2021015878 W 20211104

Abstract (en)

The present invention may provide: an armored steel having high hardness characteristics and excellent low-temperature impact toughness, and thus capable of providing excellent ferroslasticity; and a method for manufacturing the armored steel.

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 1/18 (2013.01 - EP); C21D 1/25 (2013.01 - EP); C21D 1/26 (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 - EP KR); 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 38/54 (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 4265791 A1 20231025; AU 2021402966 A1 20230706; AU 2021402966 A9 20240502; KR 102498150 B1 20230208; KR 20220088236 A 20220627; WO 2022131541 A1 20220623

DOCDB simple family (application)

EP 21906846 A 20211104; AU 2021402966 A 20211104; KR 20200179078 A 20201218; KR 2021015878 W 20211104