Multilayer Tube with an Aluminium Alloy Core Tube
AssigneeAleris Aluminum Duffel Bvba
InventorsEls Verboom, Ria Van Den Broeck, Cheng Liu, Andreas Ten Cate
Life of this patent
Estimating the term…
Abstract
The invention relates to a multilayer tube comprising a metal tube having an inner surface and an outer surface, a first polymeric layer bonded to the outer surface, and preferably a second polymeric layer bonded to the inner surface, and wherein the metal tube is made from an aluminium alloy having, in wt. %: Si 1.5 to 2.45, Fe 0.5 to 1.2, Mn 0.5 to 1.2, Cu 0.3 to 1, Mg 0.04 to 0.3, Ti<0.25, Zn<1.2, and other impurities or incidental elements, each <0.05, total <0.25, and the balance being aluminium.
Claims18
A multilayer tube comprising a metal tube having an inner surface and an outer surface, a first polymeric layer bonded to the outer surface, and wherein the metal tube is made from an aluminium alloy having, in wt.%:
- Si
- 1.5 to 2.45
- Fe
- 0.5 to 1.2
- Mn
- 0.5 to 1.2
- Cu
- 0.3 to 1
- Mg
- 0.04 to 0.3
- Ti
- <0.25
- Zn
- <1.2,
(canceled)
Dependencies are inferred from the claim text.