Patent ID: 11958266
Assignee: NOVELIS KOBLENZ GMBH
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 2:
3. The rolled composite aerospace product according to claim 1, wherein the Al—Cu alloy clad layer comprises an aluminium alloy having a composition of, in wt. %:, Cu
0.02% to 2.8%;

Mg
0.02% to 1.5%;

Mn
up to 0.5%;

Si
up to 0.5%;

Fe
up to 0.4%;

Cr
up to 0.25%;

V
up to 0.25%;

Zr
up to 0.2%;

Ag
up to 0.80%;

Zn
up to 0.3%;

Ti
up to 0.2%;, and
balance unavoidable impurities and aluminium.