Detail

4043 brazing aluminum sheet foil coil strip

The Si content of 4043 brazing aluminum sheet foil coil strip is 4.5% to 6.0%, which is a hypoeutectic alloy in the aluminum-silicon series. It is characterized by low melting point, good fluidity, good filling property, easy feeding, very beneficial to avoid welding cracks, and good corrosion resistance and cutting performance. This alloy sheet is the first choice for welding aluminum alloy automotive doors....

1.The Introduction of 4043 brazing aluminum sheet foil coil strip

The Si content of 4043 brazing aluminum sheet foil coil strip is 4.5% to 6.0%, which is a hypoeutectic alloy in the aluminum-silicon series. It is characterized by low melting point, good fluidity, good filling property, easy feeding, very beneficial to avoid welding cracks, and good corrosion resistance and cutting performance. This alloy sheet is the first choice for welding aluminum alloy automotive doors.

In addition, 4043 brazing aluminum sheet foil coil strip has the characteristics of good fluidity, low solidification shrinkage and resistance to welding hot cracks, and good castability and weldability. It is used in the production and processing of aluminum-silicon alloy welding wire, which is a large amount of brazing filler metal.

2.The Specification of 4043 brazing aluminum sheet foil coil strip

*Alloy: 4043

*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 4043 brazing aluminum sheet foil coil strip

                                           4043  Chemical Composition(%)

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Ni

Alu

4.5--6.0

<0.8

<0.30

<0.05

<0.05

--

<0.10

<0.20

--

Remainder

 

4.The Mechanical properties of 4043 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

4043

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 4043 brazing aluminum sheet foil coil strip

A: It has low melting point, good fluidity, good filling property, and easy to feed, which is very beneficial to avoid welding cracks.

B: Its corrosion resistance and cutting performance are good.

C: It has the characteristics of good fluidity, low solidification shrinkage, and resistance to welding hot cracks.

D: Its castability and weldability are good.

 

6.The Usage of 4043 brazing aluminum sheet foil coil strip

4043 brazing aluminum sheet foil coil strip is the first choice for welding aluminum alloy automotive doors, and It is also produced for processing aluminum-silicon alloy welding wire..

Aluminum alloy welding wire is a necessary filler material for aluminum alloy welding. It has application requirements in all applications where aluminum alloy is used, such as vehicles, ships, buildings, bridges, and chemical machinery.

 

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