Global Patent Index - EP 0811700 B1

EP 0811700 B1 20020612 - Deep drawable and weldable AlMgSi type aluminium alloy

Title (en)

Deep drawable and weldable AlMgSi type aluminium alloy

Title (de)

Tiefziehbare und schweissbare Aluminiumlegierung vom Typ AlMgSi

Title (fr)

Alliage d'aluminium du type AlMgSi soudable et apte à l'emboutissage profond

Publication

EP 0811700 B1 20020612 (DE)

Application

EP 97810320 A 19970526

Priority

CH 140196 A 19960604

Abstract (en)

[origin: EP0811700A1] A deep drawing weldable Al alloy of the AlMgSi type comprises: (i) the alloy elements Mg and Si limited by the trapezium ABCDE with coordinates A(Si:0.50; Mg:0.35), B(Si:0.50; Mg:0.60), C(Si:0.95; Mg:0.60), D(Si:0.95; Mg:0.40) and E (Si:0.80; Mg:0.35) and the alloy further contains additions of Cu 0.15-0.45; Mn 0.05-0.20; Fe 0.25-0.55 and Zn 0.15-0.50. Also claimed is the production of the alloy by continuous casting, hot or cold rolling and solution treatment at 520-580 degrees C up to the solidus temp. of the alloy.

IPC 1-7

C22C 21/02; C22C 21/08; C22F 1/043; C22F 1/05; C22F 1/047

IPC 8 full level

C22C 21/02 (2006.01); C22C 21/08 (2006.01); C22F 1/043 (2006.01); C22F 1/047 (2006.01); C22F 1/05 (2006.01)

CPC (source: EP)

C22C 21/02 (2013.01); C22C 21/08 (2013.01); C22F 1/043 (2013.01); C22F 1/047 (2013.01); C22F 1/05 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL

DOCDB simple family (publication)

EP 0811700 A1 19971210; EP 0811700 B1 20020612; AT E219158 T1 20020615; CH 690916 A5 20010228; DE 59707470 D1 20020718; ES 2177920 T3 20021216

DOCDB simple family (application)

EP 97810320 A 19970526; AT 97810320 T 19970526; CH 140196 A 19960604; DE 59707470 T 19970526; ES 97810320 T 19970526