Brazeable Aluminum Alloys

Wrought

Notes

6061, 6062, 6063

 

6951

(clad brazing sheet)

1100, 3003

(Non heat-treatable alloys)

Castings

 

710, 711, 712 and 713

 

Filler Metal / Flux Combination for Dip Brazing

BASE METAL

FILLER METAL CLASSIFICATION

FLUX SPECIFICATION

AWS

ALUM. ASSOC.

OTHER SPECIFICATIONS

1100
3003
6061
6062
6063
6951

A5.8
BAISi-4

4047

QQ-B-655
AMS 4185

AMS 3415

Composition of Clad Aluminum Brazing Sheet

Brazing Sheet Designation

No. of Sides Clad

Core Alloy

Cladding Alloy

Nominal Cladding Thickness Per Side (Percent of Composite Thickness)

No. 11

1

3003

4343

10% for .063 and less; 5% for .064 and more

No. 12

2

3003

4343

10% for .063 and less; 5% for .064 and more

No. 21

1

6951

4343

10% for .090 and less; 5% for .091 and more

No. 22

2

6951

4343

10% for .090 and less; 5% for .091 and more