4A17 brazing aluminum sheet foil coil strip belongs to the Al-Si series brazing alloy,it is one of the alloys with higher Si content in the brazing alloy,it has better brazing performance, lower melting point, and strong molten pool wetting ability. In addition, it has good mechanical properties, physical properties, and corrosion resistance. It can be produced as plate-shaped and strip-shaped brazing materials, used for the welding of radiators, and the brazing layer of radiator brazing plates and foils....
1.The Introduction of 4A17 brazing aluminum sheet foil coil strip
4A17 brazing aluminum sheet foil coil strip belongs to the Al-Si series brazing alloy,it is one of the alloys with higher Si content in the brazing alloy,
it has better brazing performance, lower melting point, and strong molten pool wetting ability. In addition, it has good mechanical properties, physical properties, and corrosion resistance. It can be produced as plate-shaped and strip-shaped brazing materials, used for the welding of radiators, and the brazing layer of radiator brazing plates and foils.
2.The Specification of 4A17 brazing aluminum sheet foil coil strip
*Alloy: 4A17
*Temper: O,H12,H22,H14,H24,H16,H26,H18,F,H112 etc
*Thickness: 0.05mm~6mm
*Sheet width: 450mm -2200mm; coil width: 5mm-2200mm
*Length: 500-15000mm or Coiled, coil outer diameter: Max 2500mm
*Delivery shape: aluminum foil: 0.05mm~0.20mm; plate shape; Coil shape; Strip shape
*Inner diameter of coils: 75mm, 76mm, 150mm, 152mm, 200mm, 250mm, 300mm, 405mm, 505mm
Paper core or aluminum core, outer diameter according to customer requirements.
3.The Chemical composition of 4A17 brazing aluminum sheet foil coil strip
|
4A17 Chemical Composition(%) |
|||||||||
|
Si |
Fe |
Cu+ Zn |
Mn |
Mg |
Cr |
Ca |
Ti |
Ni |
Alu |
|
11.0--12.5 |
<0.50 |
<0.15 |
<0.50 |
<0.05 |
-- |
<0.10 |
<0.15 |
-- |
Remainder |
4.The Mechanical properties of 4A17 brazing aluminum sheet foil coil strip
|
Alloy |
Temper |
Thickness (mm) |
Mechanical properties |
||
|
Tensile Strength（Mpa） |
Yield strength （Mpa） |
Elongation (%) |
|||
|
standard value |
standard value |
A50 |
|||
|
Not less than |
|||||
|
4A17 |
O |
0.05-0.5 |
90-140 |
35 |
5 |
|
＞0.5-3.0 |
10 |
||||
|
H12 H22 |
0.05-0.5 |
120-170 |
100 |
2 |
|
|
＞0.5-3.0 |
3 |
||||
|
H14 H24 |
0.05-0.5 |
140-190 |
120 |
1 |
|
|
＞0.5-3.0 |
1 |
||||
|
H16 H26 |
0.05-0.5 |
160-210 |
140 |
0.5 |
|
|
＞0.5-3.0 |
1 |
||||
|
H18 |
0.05-0.5 |
180 |
160 |
0.2 |
|
|
＞0.5-3.0 |
1 |
||||
5.The Performance advantages of 4A17 brazing aluminum sheet foil coil strip
A: 4A17 brazing aluminum sheet foil coil strip has better brazing performance.
B: 4A17 brazing aluminum sheet foil coil strip has a lower melting point and a strong molten pool wetting ability.
C: 4A17 brazing aluminum sheet foil coil strip has good mechanical properties, physical properties and corrosion resistance.
6.The Usage of 4A17 brazing aluminum sheet foil coil strip
4A17 brazing aluminum sheet foil coil strip can be produced as plate-shaped and strip-shaped brazing materials for the welding of radiators, and the brazing layer of radiator brazing plates and foils.
