Extruded 3XXX-series aluminium alloy tube product

US9180537B2 · kind B2 · utility

Assignee

• Aleris Rolled Products Germany GmbH · DE

Inventors

• Adrianus Jacobus Wittebrood · Velserbroek, NL
• Steven Kirkham · Ransbach-Baumbach, DE
• Achim Bürger · Grevesmühlen, DE
• Klaus Vieregge · Nauort, DE

Key dates

• Filing date: Apr 3, 2012
• Grant date: Nov 10, 2015
• Expiry date: Jun 15, 2032

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B23K2103/10
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

An aluminum alloy extruded tube product for a heat exchanger assembly and made from a 3xxx-series aluminum alloys and including furthermore a purposive addition of one or more wetting elements selected from the group of: Bi 0.03% to 0.5%, Pb 0.03% to 0.5%, Sb 0.03% to 0.5%, Li 0.03% to 0.5%, Se 0.03% to 0.5%, Y 0.03% to 0.05%, Th 0.03% to 0.05%, and the sum of these elements being 0.5% or less.