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.
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 |