Patent ID: 8283050
Filing Date: 2012-10-09
Classification: B23K,B32B,C22C,Y10T

Abstract:
1. An aluminum alloy brazing sheet having a core material of an aluminum alloy material and a filler alloy formed on at least one side of the core material, the aluminum alloy material of the core material comprising: more than 2.5% by mass and 3.5% by mass or less of Cu, aluminum, less than 0.05% by mass of Mn, and unavoidable impurities; the filler alloy comprising any one of an Al-Si-based alloy, an Al-Si-Zn-based alloy, an Al-Si-Mg-based alloy and an Al-Si-Mg-Bi-based alloy; wherein the aluminum alloy brazing sheet has a tensile strength at 200° C. of 145 MPa or more after brazing heating at 590° C. for 2 minutes followed by holding at 200° C. for 300 hours.