Global Patent Index - EP 1972695 B1

EP 1972695 B1 20100818 - Production process of an aluminium alloy

Title (en)

Production process of an aluminium alloy

Title (de)

Verfahren zur Herstellung einer Aluminium-Legierung

Title (fr)

Procédé de fabrication d'un alliage d'aluminium

Publication

EP 1972695 B1 20100818 (DE)

Application

EP 08002908 A 20080216

Priority

DE 102007012424 A 20070315

Abstract (en)

[origin: EP1972695A1] Production of an aluminum alloy comprises adding 9 wt.% silicon, a part of the magnesium used in the production of the alloy and a pre-alloy containing manganese, strontium and strontium and optionally iron and magnesium to the molten aluminum-based alloy. The allot contains (in wt.%) 9.5-11.5 silicon, 0.3-11.0 manganese, 0.1-0.6 magnesium, maximum 0.25 iron, maximum 0.15 titanium, maximum 0.01 zinc, maximum 0.05 copper, 5-300 ppm strontium and a balance of aluminum.

IPC 8 full level

C22C 1/02 (2006.01); C22C 1/03 (2006.01); C22C 21/04 (2006.01)

CPC (source: EP)

C22C 21/02 (2013.01); C22C 21/04 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 1972695 A1 20080924; EP 1972695 B1 20100818; DE 102007012424 A1 20080918; DE 502008001133 D1 20100930

DOCDB simple family (application)

EP 08002908 A 20080216; DE 102007012424 A 20070315; DE 502008001133 T 20080216