Description: AFM Aluminum Bronze A3 is a higher strength aluminum bronze used for joining and repair welding of aluminum bronze castings of similar composition, and for depositing bearing surfaces and wear- and corrosion-resistant surfaces.
Chemical Composition Requirements (%):
| ( AL ) |
Aluminum |
10.0 to 11.5 |
| ( Cu ) |
Copper |
BAL * |
| ( Fe ) |
Iron |
2.0 to 4.5 |
| ( Pb ) |
Lead |
0.02 |
| ( Si ) |
Silicon |
0.10 |
| ( Zn ) |
0.10 |
| All Other |
0.50 |
*including Silver (Ag)
All values are considered maximum, unless other-wise noted.
Hardness and Tensile Strength:
- Minimum Tensile Strength, psi - 65,000
- MPa - 450
- Brinell Hardness (GTAW only) - 140 to 180
(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)