Patent ID: 6667115
Filing Date: 2003-12-23
Classification: B23K,B32B,C22C,F28F,Y10S,Y10T

Abstract:
A brazing sheet comprising a clad brazing alloy, a 3xxx series core alloy and a clad inner-liner alloy, wherein said brazing sheet has the following composition, wherein the percentages expressed in said composition are by weight based on the weight of said brazing sheet:Clad AlloyCoreClad Alloy(4xxx series aluminum)(3xxx series al alloy)(Inner-liner)Si6.0-13%0.6 max0.40 maxFe0.30 max0.7 max0.7 maxCu0.10 max0.1-0.70.05-0.4Mn0.10 max0.8-1.70.7-1.5Mg1.8% max0.15 max0.05 maxZn0.10 max0.10 max1.3-1.5Ti0.05 max0.10 max0.05 maxAlbalancebalancebalance.