Patent · US Expired

Aluminium alloy for use as core material in brazing sheet

US6294272A · kind A · utility

9Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1999
Grant dateSep 25, 2001
Priority date
Expiry dateMar 24, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12764
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An aluminium alloy for use as a core material in brazing sheet, comprising, in weight %: Mn 0.7-1.5, Cu 0.6-1.0, Fe not more than 0.4, Si less than 0.1, Mg 0.05-0.8, Ti 0.02-0.3, Cr 0.1-0.25, Zr 0.1-0.2, balance Al and unavoidable impurities, wherein 0.20<(Cr+Zr).ltoreq.0.4, the alloy being capable of obtaining in the post-brazing state 0.2% yield strength of at least 65 MPa and having a corrosion life of more than 11 days in a SWAAT test without perforations in accordance with ASTM G-85.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.