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Table K. Typical brazing filler metal consumption

Tube, nominal
or
standard size,
inches
Filler Metal Length, inches
Average
weight per
100 joints,
poundsΉ
1/16 inch wire
1/8 in x .050 in rod
3/32 inch wire
1/8 inch wire
1/4
1/2
1/4
1/4
1/8
.04
3/8
5/8
3/8
3/8
1/4
.06
1/2
1 1/8
5/8
1/2
3/8
.10
5/8
1 5/8
7/8
5/8
1/2
.15
3/4
2 1/4
1 1/8
1
5/8
.21
1
3 1/2
1 3/4
1 5/8
7/8
.32
1 1/4
4 1/2
2 1/4
2
1 1/4
.42
1 1/2
–
3
2 5/8
1 1/2
.56
2
–
4 3/4
4 3/8
2 1/2
.90
2 1/2
–
6 1/2
5 7/8
3 3/8
1.22
3
–
8 5/8
7 7/8
4 1/2
1.64
3 1/2
–
11 1/2
10 1/2
5 7/8
2.18
4
–
14 7/8
13 1/2
7 5/8
2.81
5
–
22 5/8
20 1/2
11 5/8
4.30
6
–
31 1/2
28 1/2
16
5.97
8
–
53 1/2
48 1/2
27 3/8
10.20
10
–
67 1/4
61
34 1/4
12.77
12
–
90 1/2
82
46 1/8
17.20

Ή The amount of filler material indicated is based on an average two-thirds penetration of the cup and with
no provision for a fillet. For estimating purposes, actual consumption may be two to three times the amounts
indicated in this table, depending on the size of the joints, method of application and level of workmanship.

NOTE:

1090 inches of 1/16 inch wire = 1 pound
534 inches of 1/8 inch x .050-inch wire = 1 pound
484 inches of 3/32 inch wire = 1 pound
268 inches of 1/8 inch wire = 1 pound

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