Introduction of 4104 aluminium braze welding foil
4104 aluminium braze welding foil belongs to A1-Si series aluminum alloy. It is an upgraded version of 4004 aluminum brazing foil. It has better brazing stability than 4004. It is a necessary raw material commonly used in the production of aluminum heat exchangers in the vacuum welding process.
 
Chemical composition of 4104 aluminium braze welding foil
Si: 9.0-10.5
Fe: 0.8
Cu: 0.25
Mn: 0.10
Mg: 1.0-2.0
Zn: 0.20
Ti:-
Bi: 0.02-0.20
Al: margin
Single: 0.05~0.15
 
The performance advantages of 4104 aluminium braze welding foil:
A: High strength and excellent welding performance.
B: It has good heat and high temperature resistance performance, and has certain corrosion resistance.
C: Excellent processing performance, small changes in structure and mechanical properties, small deformation, and easy molding.