Filler Alloys & Fluxes for Brazeable Aluminum Alloys

Parent
Metal

Brazing
Filler Metal

Brazing Temperature Range °F (°C)

Recommended Fluxes

Torch

Brazing

Dip

High
Purity

1100
3303

4343 (713)

or

4047 (718)

1100-11400
(593-615)


1080-1095
(582-590)

33



33

33
105
300

33
105
300
341
501


341
501

3004
5005
5050

4047 (718)

1080-1095
(582-590)

33

33
105
300
341
501

6061
6063
6951

4047 (718)

1080-1095
(582-590)

33

33
105
300
341
501

A612
Cast
C612
Cast

4047 (718)
1080-1095
(582-590)
33
33

300
341
501

43 Cast

4145 (716)*
1060-1070
(571-576)
33
33
341

*Use 4047 (718) where additional filler metal is required