Description: AFM 40 manganese-nickel-aluminum bronze filler metal used for joining and repairing of cast or wrought base metals of similar composition. This filler metal may also be used for surfacing applications where high resistance to corrosion, erosion, or cavitation is required.
Chemical Composition Requirements(%):
| ( Cu ) |
Copper |
BAL* |
| ( Fe ) |
Iron |
2.0 to 4.0 |
| ( Mn ) |
Manganese |
11.0 to 14.0 |
| ( Ni) |
Nickel |
1.5 to 3.0** |
| ( Pb ) |
Lead |
0.02 |
| ( Si ) |
Silicon |
0.10 |
| ( Zn ) |
0.15 |
| All Other |
0.50 |
*includes Silver (Ag)
**including Cobalt (Co)
All values are considered maximum, unless other-wise noted.
Hardness and Tensile Strength:
Minimum Tensile Strength, psi - 75,000
-
MPa - 515
-
Brinell Hardness (GTAW only) - 160 to 200
(average value for an as-welded deposit)
Standard Sizes: .035 (0.9), .045 (1.2), 1/16 (1.6), 3/32 (2.4), 1/8 (3.2)
