Typical Brazing Filler Metal Consumption
| Tube, nominal or standard size, inches | Filler Metal Length, inches | Average weight per 100 joints, pounds* | |||
|---|---|---|---|---|---|
| 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 |
NOTE: * 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.
1090 inches of 1/16 inch wire = 1 pound
534 inches of 1/8 inch x .050-inch rod = 1 pound
484 inches of 3/32 inch wire = 1 pound
268 inches of 1/8 inch wire = 1 pound
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.
1090 inches of 1/16 inch wire = 1 pound
534 inches of 1/8 inch x .050-inch rod = 1 pound
484 inches of 3/32 inch wire = 1 pound
268 inches of 1/8 inch wire = 1 pound