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Copper
Alloy No. C95500
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 |
The values listed above represent
reasonable approximations suitable for general engineering use.
Due to commercial variations in composition and to manufacturing
limitations, they should not be used for specification purposes.
See applicable A.S.T.M. specification references.
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