Aluminum Bronze C95400 (9C)
Copper Alloy No. C95400
Aluminum Bronze 9C , CDA 954 , CuAl10Fe
ASTM B 505 , ASTM B 271
Chemical Composition % by weight
Aluminum Bronze 9C , CDA 954 , CuAl10Fe
ASTM B 505 , ASTM B 271
Chemical Composition % by weight
| Element | Nominal | Minimum | Maximum |
| Aluminum | 11 | 10 | 11.5 |
| Copper | 85 | 83 | - |
| Iron | 4 | 3 | 5 |
| Manganese | - | - | .50 |
| Nickel | - | - | 2.5 |
Application for Castings
Bearings, gears, worm gears, bushings, wear plate, valve seats and guides, pickling hooks.
Mechanical Properties (as cast)
M07 - As Continuous Cast
| Hardness* | Brinell Hardness (3000 kg load) | 170 |
| Tensile Strength** | KSI | 85 min |
| Yield Strength ** | KSI (0.5% Ext. under load) | 32 min |
| Elongation** | % in 2 inch | 10 min |
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
| Thermal Conductivity | BTU/ (sq ft-ft-hr-F) | 33.9 |
| Specific Heat | BTU/lb/ºF @ 68F | .10 |
| Thermal Expansion | Per °F from 68 F to 572 F | .000009 |
| Density | lb/cu in @ 68 F | .269 |
| Electrical Conductivity* (Annealed) | % IACS @ 68 F | 13 |
| Modulus of Elasticity | KSI | 15,500 |
*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 | 1600-1675 F or 870-910 C |
| Time at temperature | 1 hour per inch of section thickness |
| Quenching medium | Water |
| 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) | 60 |
| Suitability for being joined by: | Soldering/Good |
| Brazing/Good | |
| Oxyacetylene Welding/Not Recommended | |
| Carbon Arc Welding/Fair | |
| Gas Shielded Arc Welding/Very Good | |
| Coated Metal Arc Welding/Good |