Global Patent Index - EP 3464659 A1

EP 3464659 A1 20190410 - 6XXX-SERIES ALUMINIUM ALLOY FORGING STOCK MATERIAL AND METHOD OF MANUFACTING THEREOF

Title (en)

6XXX-SERIES ALUMINIUM ALLOY FORGING STOCK MATERIAL AND METHOD OF MANUFACTING THEREOF

Title (de)

6XXX-SERIEN-ALUMINIUMLEGIERUNGSSCHMIEDEROHMATERIAL UND VERFAHREN ZUR HERSTELLUNG DAVON

Title (fr)

MATÉRIAU DE STOCKAGE FORGÉ EN ALLIAGE D'ALUMINIUM DE LA SÉRIE 6XXX ET SON PROCÉDÉ DE FABRICATION

Publication

EP 3464659 A1 20190410 (EN)

Application

EP 17725993 A 20170531

Priority

  • EP 16172448 A 20160601
  • EP 2017063109 W 20170531

Abstract (en)

[origin: WO2017207603A1] The invention relates to hot-rolled semi-finished 6xxx-series aluminium alloy forging stock material having a thickness in the range of 2 mm to 30 mm, and having a composition comprising of, in wt.%, Si 0.65-1.4%, Mg 0.60-0.95%, Mn 0.40-0.80%, Cu 0.04-0.28%, Fe up to 0.5%, Cr up to 0.18%, Zr up to 0.20%, Ti up to 0.15%, Zn up to 0.25%, impurities each <0.05%, total <0.2%, balance aluminium, and wherein it has a substantially unrecrystallized microstructure. The invention relates also to a method of manufacturing such 6xxx-series hot-rolled aluminium alloy forging stock material. Furthermore, the invention relates to a method of forging a shaped product from the 6xxx-series aluminium alloy forging stock material.

IPC 8 full level

C22C 21/02 (2006.01); C22C 21/08 (2006.01); C22F 1/05 (2006.01)

CPC (source: EP US)

C22C 21/02 (2013.01 - EP US); C22C 21/08 (2013.01 - EP US); C22F 1/05 (2013.01 - EP US)

Citation (search report)

See references of WO 2017207603A1

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

DOCDB simple family (publication)

WO 2017207603 A1 20171207; CN 109415780 A 20190301; CN 109415780 B 20210223; EP 3464659 A1 20190410; EP 3464659 B1 20200311; EP 3464659 B2 20230712; US 2019136348 A1 20190509

DOCDB simple family (application)

EP 2017063109 W 20170531; CN 201780032491 A 20170531; EP 17725993 A 20170531; US 201716306078 A 20170531