Aluminum brazing alloy

US6800244B2 · kind B2 · utility

Assignees

• CORUS L.P. · CA
• 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 9, 2002
• Grant date: Oct 5, 2004
• Expiry date: May 9, 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 a composition, in weight %: Si 0.7-1.2, Mn 0.7-1.2, Mg up to 0.35, Fe up to 0.8, Zn up to 3.0, Ni up to 0.005, Cu up to 0.5, optionally one or more members selected from the group comprising 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, others up to 0.05 each and up to 0.15 in total, and an Al balance.