Aluminum Base Brazing Alloys

Si

Cu

Zn

Mg

Fe

Impurities Total

Solidus

 Liquidus

A-1

11-13

<0.3

<0.2

<0.1

<0.8

 

577

582

The good fluidity, the wet ability, the corrosion resistance are suitable for the aluminum and aluminum alloy braze welding

A-2

9.3-10.7

3.3-4.7

<0.2

<0.15

<0.8

Cr<0.15

520

585

A-3

11-13

<0.25

<0.2

1-2

<0.8

 

559

591

The characteristic and SA-1 are quite suitable for the aluminum vacuum brazing

A4043

4.5-6.0

0.3

0.1

0.05

0.8

0.2

 

0.15

The crack resistance is good, the versatility answers. The aluminum alloy gas welding, the argon arc welding use. (is not suitable uses in high magnesium alloy)

A4047

11-13

0.3

0.2

0.10

0.8

0.1

0.06-2.0

0.15

The crack resistance is good, the versatility is big, the aluminum alloy gas welding, the argon arc welding use.