Fin stock material

US9377249B2 · 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: Jun 8, 2015
• Grant date: Jun 28, 2016
• Expiry date: Jun 8, 2035

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F28F2275/04
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A fin stock material from an 3xxx-series aluminum alloy and including at least 0.5% to 2.0% Mn, and 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, with the remainder including aluminum and tolerable impurities. Also provided is a method for manufacturing a heat exchanger assembly incorporating such a fin stock material.