公开(公告)号：US11833619B2

公开(公告)日：2023-12-05

申请号：US17787185

申请日：2020-12-14

申请人： CONSTELLIUM NEUF-BRISACH

发明人： Philippe Jarry ,  Bechir Chehab

IPC分类号： B23K35/28 ,  B23K35/02 ,  C22C21/04

CPC分类号： B23K35/0238 ,  B23K35/288 ,  C22C21/04

摘要： Brazing strip or sheet comprising:



a core layer made of aluminum alloy;
a brazing layer made of aluminum alloy, clad on at least one face of the core layer;
optionally an intermediate layer made of aluminum alloy, clad on at least one face either between the core layer and the brazing layer or the core layer without any other layer on top; characterized in that the brazing layer alloy comprises, in mass percentages:

from 7 to 13% Si, at most 0.8% Fe, at most 0.45% Cu, at most 0.20% Mn, at most 0.15% Mg, at most 0.20% Zn, at most 0.20% Ti, at most 0.04% Bi, from 0.01 to 0.10% Y, from 0.01 to 0.10% Sn, remainder aluminum and impurities.