Aluminum brazing alloy

US6610247B2 · kind B2 · utility

Assignee

• Corus Aluminum Walzprodukte GmbH · DE

Inventors

• Adrianus Jacobus Wittebrood · Velserbroek, NL
• Achim Bürger · Grevesmühlen, DE
• Klaus Vieregge · Nauort, DE
• Job Anthonius Van Der Hoeven · Haarlem, NL
• Scott Haller · Richmond, US

Key dates

• Filing date: May 13, 2002
• Grant date: Aug 26, 2003
• Expiry date: May 13, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22C21/02
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to an aluminium brazing alloy, ideally suitable as fin stock material, having the composition, in weight %: Si 0.4-1.0, Mn 0.7-1.2, Mg up to 0.10, Fe up to 0.8, Zn up to 3.0, Ni 0.5-0.9, Cu up to 0.15, optionally one or more selected from the group consisting of Ti up to 0.20, In up to 0.20, Zr up to 0.25, V up to 0.25 and Cr up to 0.25, other elements up to 0.05 each, up to 0.15 in total, Al balance.