
Nickel Aluminum Bronze C95500
Copper Alloy No. C95500
Aluminum Bronze 9D, CDA 955 Nickel Aluminum Bronze , Grade D
ASTM B 505 , ASTM B 271
Chemical Composition % by weight
Aluminum Bronze 9D, CDA 955 Nickel Aluminum Bronze , Grade D
ASTM B 505 , ASTM B 271
Chemical Composition % by weight
| Element | Nominal | Minimum | Maximum |
| Aluminum | 11 | 10 | 11.5 |
| Copper | 81 | 78 | - |
| Iron | 4 | 3 | 5 |
| Manganese | - | - | 3.5 |
| Nickel | 4 | 3 | 5.5 |
Applications
Valve guides and seats in aircraft engines, corrosion resistant parts, bearings, bushings, gears, worm gears, pickling hooks and baskets, agitators.
Mechanical Properties (as cast)
M07 - As Continuous Cast
| Hardness* | Brinell Hardness (3000 kg load) | 190 |
| Tensile Strength** | KSI | 95 min |
| Yield Strength ** | KSI (0.5% Ext. under load) | 42 min |
| Elongation** | % in 2 inch | 10 |
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
| Thermal Conductivity | BTU/ (sq ft-ft-hr-F) | 24.2 |
| Specific Heat | BTU/lb/ºF @ 68F | .10 |
| Thermal Expansion | Per °F from 68 F to 572 F | .000009 |
| Density | lb/cu in @ 68 F | .272 |
| Electrical Conductivity* (Annealed) | % IACS @ 68 F | 8.5 |
| Modulus of Elasticity | KSI | 16,000 |
*Volume basis
Fabrication Practices
| Stress relieving temperature | 600 F or 316 C |
| Time at temperature | 1 hour per inch of section thickness |
| Responds to heat treatment | Yes |
| Solution heat treating temperature | 1585-1635 F or 860-890 C |
| Time at temperature | 1 hour per inch of section thickness |
| Quenching medium | Water or oil quench |
| Annealing temperature | 1150-1225 F or 620-660 C |
| Time at temperature | 1 hour per inch of section thickness |
| Machinability rating (Free Cutting Brass=100) | 50 |
| Suitability for being joined by: | Soldering/Good |
| Brazing/Fair | |
| Oxyacetylene Welding/Not Recommended | |
| Carbon Arc Welding/Poor | |
| Gas Shielded Arc Welding/Good | |
| Coated Metal Arc Welding/Good |