EP 4081355 A4 20240110 - HIGH-STRENGTH 6XXX EXTRUSION ALLOYS
Title (en)
HIGH-STRENGTH 6XXX EXTRUSION ALLOYS
Title (de)
HOCHFESTE 6XXX-STRANGPRESSLEGIERUNGEN
Title (fr)
ALLIAGES D'EXTRUSION DE SÉRIE 6XXX À HAUTE RÉSISTANCE
Publication
Application
Priority
- US 201962952614 P 20191223
- US 2020066590 W 20201222
Abstract (en)
[origin: WO2021133792A1] Some embodiments of the present disclosure relate to a 6xxx aluminum alloy having: silicon (Si) in an amount of 0.70 wt% to 1.1 wt % based on a total weight of the 6xxx aluminum alloy; magnesium (Mg) in an amount of 0.75 wt% to 1.15 wt% based on the total weight of the 6xxx aluminum alloy; a weight ratio of Mg to Si in the 6xxx aluminum alloy from 0.68:1.0 to 1.65:1.0; and copper (Cu) in an amount of 0.30 wt% to 0.8 wt% based on the total weight of the 6xxx aluminum alloy. Some embodiments of the present disclosure further relate to a method including steps of: casting an exemplary 6xxx aluminum alloy, homogenizing the exemplary 6xxx aluminum alloy; extruding the exemplary 6xxx aluminum alloy; and aging the 6xxx aluminum alloy.
IPC 8 full level
C22C 21/02 (2006.01); B21C 23/00 (2006.01); B21C 23/08 (2006.01); B21C 29/00 (2006.01); C22C 21/08 (2006.01); C22F 1/047 (2006.01); C22F 1/05 (2006.01)
CPC (source: EP KR US)
B21C 23/002 (2013.01 - EP KR US); B21C 23/085 (2013.01 - EP KR); B21C 29/003 (2013.01 - EP KR); C22C 21/02 (2013.01 - EP KR); C22C 21/08 (2013.01 - EP KR US); C22F 1/002 (2013.01 - US); C22F 1/047 (2013.01 - EP KR); C22F 1/05 (2013.01 - EP KR US)
Citation (search report)
- [XI] EP 0987344 A1 20000322 - KOBE STEEL LTD [JP]
- [XI] WO 2013162374 A1 20131031 - NORSK HYDRO AS [NO]
- [X] EP 2883973 A1 20150617 - CONSTELLIUM VALAIS SA AG LTD [CH]
- [XI] EP 0687743 A1 19951220 - FURUKAWA ELECTRIC CO LTD [JP]
- [I] US 2018340244 A1 20181129 - DAS SAZOL KUMAR [US], et al
- See also references of WO 2021133792A1
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
DOCDB simple family (publication)
WO 2021133792 A1 20210701; BR 112022012186 A2 20220913; CA 3161819 A1 20210701; CN 115427165 A 20221202; EP 4081355 A1 20221102; EP 4081355 A4 20240110; JP 2023509391 A 20230308; KR 20220154662 A 20221122; US 2023024665 A1 20230126
DOCDB simple family (application)
US 2020066590 W 20201222; BR 112022012186 A 20201222; CA 3161819 A 20201222; CN 202080097341 A 20201222; EP 20904763 A 20201222; JP 2022538377 A 20201222; KR 20227025348 A 20201222; US 202017786371 A 20201222