Global Patent Index - EP 4081355 A4

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

EP 4081355 A4 20240110 (EN)

Application

EP 20904763 A 20201222

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)

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