EP 4247993 A1 20230927 - COMPONENT MADE OF B-ZR ALLOY STEEL
Title (en)
COMPONENT MADE OF B-ZR ALLOY STEEL
Title (de)
BAUTEIL AUS B-ZR-LEGIERTEM STAHL
Title (fr)
ÉLÉMENT EN ACIER ALLIÉ À BASE DE B-ZR
Publication
Application
Priority
- EP 21211997 A 20211202
- EP 2022084020 W 20221201
Abstract (en)
[origin: WO2023099654A1] The invention relates to a component comprising a part made of steel, the steel comprising, inter alia, 0.30 – 0.50 wt.% C, 0.05 – 1.3 wt.% Mn, 0.001 – 0.015 wt.% P, 0.001 – 0.015 wt.% S, 0.01 – 0.8 wt.% Si, 0.3 – 1.5 wt.% Cr, 0.005 – 0.40 wt.% V, 0.0008 – 0.0050 wt.% B, 0.02 – 0.35 wt.% Al, 0.0001 – 0.0200 wt.% N, 0.01 – 0.08 wt.% Ti, and 0.0030 – 0.0800 wt.% Zr, the remainder being iron and unavoidable impurities, wherein the B content in the steel at a depth of 5 - 60 µm is ≥ 80% of the B content in the steel at a depth of 500 µm.
IPC 8 full level
C22C 38/00 (2006.01); C21D 9/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/24 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01)
CPC (source: EP)
C21D 9/0093 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/24 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C21D 2211/002 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01); C21D 2211/009 (2013.01)
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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4190934 A1 20230607; CA 3238223 A1 20230608; CN 118339322 A 20240712; EP 4247993 A1 20230927; KR 20240089753 A 20240620; WO 2023099654 A1 20230608
DOCDB simple family (application)
EP 21211997 A 20211202; CA 3238223 A 20221201; CN 202280079461 A 20221201; EP 2022084020 W 20221201; EP 22826100 A 20221201; KR 20247015995 A 20221201