EP 4204595 A1 20230705 - MARTENSITIC STEEL WITH RETARDED Z PHASE FORMATION, POWDER AND BLANK OR COMPONENT
Title (en)
MARTENSITIC STEEL WITH RETARDED Z PHASE FORMATION, POWDER AND BLANK OR COMPONENT
Title (de)
MARTENSITISCHER STAHL MIT VERZÖGERTER Z-PHASENBILDUNG, PULVER SOWIE ROHTEIL ODER BAUTEIL
Title (fr)
ACIER MARTENSITIQUE À FORMATION DE PHASE Z RETARDÉE, POUDRE ET ÉBAUCHE OU COMPOSANT
Publication
Application
Priority
- DE 102020213394 A 20201023
- EP 2021074098 W 20210901
Abstract (en)
[origin: WO2022083928A1] Martensitic steel with Z phase, powder, and blank or component - alloy, at least comprising (in % by weight): carbon (C): 0.16% - 0.24%, silicon (Si): 0.0% – 0.08%, manganese (Mn): 0.04% – 0.16%, chromium (Cr): 10.6% – 11.5%, molybdenum (Mo): 0.5% – 0.9%, tungsten (W): 2.2% – 2.6%, cobalt (Co): 3.0% – 3.6%, nickel (Ni): 0.09% – 0.19%, boron (B): 0.0035% – 0.01%, nitrogen (N): 0.001% – 0.025%, titanium (Ti): 0.01% – 0.04%, copper (Cu): 1.20% - 2.30%, optionally vanadium (V): 0.10% – 0.30%, niobium (Nb): 0.02% – 0.08%, aluminium (Al): 0.003% - 0.06%, balance: iron (Fe), especially consisting of these elements.
IPC 8 full level
C22C 38/40 (2006.01); B22F 1/00 (2022.01); C22C 33/02 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/52 (2006.01); C22C 38/54 (2006.01)
CPC (source: EP KR US)
B22F 1/10 (2022.01 - KR US); B22F 1/12 (2022.01 - US); B22F 3/17 (2013.01 - EP KR); B22F 5/009 (2013.01 - KR); B33Y 10/00 (2014.12 - KR); C22C 1/05 (2013.01 - KR); C22C 33/0285 (2013.01 - EP); C22C 38/001 (2013.01 - EP KR US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - US); C22C 38/06 (2013.01 - EP KR US); C22C 38/40 (2013.01 - EP); C22C 38/42 (2013.01 - EP KR US); C22C 38/44 (2013.01 - EP KR US); C22C 38/46 (2013.01 - EP KR US); C22C 38/48 (2013.01 - EP US); C22C 38/50 (2013.01 - EP KR US); C22C 38/52 (2013.01 - EP KR US); C22C 38/54 (2013.01 - EP KR US); B22F 1/10 (2022.01 - EP); B22F 5/009 (2013.01 - EP); C22C 1/05 (2013.01 - EP)
Citation (search report)
See references of WO 2022083928A1
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)
WO 2022083928 A1 20220428; CN 116419984 A 20230711; DE 102020213394 A1 20220428; EP 4204595 A1 20230705; JP 2023546198 A 20231101; KR 20230090346 A 20230621; US 2023392245 A1 20231207
DOCDB simple family (application)
EP 2021074098 W 20210901; CN 202180072132 A 20210901; DE 102020213394 A 20201023; EP 21773009 A 20210901; JP 2023524088 A 20210901; KR 20237016832 A 20210901; US 202118032390 A 20210901