Copper Alloy No. C95600
Copper Alloy No. C95600
Aluminum Bronze CDA 956
Chemical Composition % by weight
Aluminum Bronze CDA 956
Chemical Composition % by weight
| Element | Nominal | Minimum | Maximum |
| Copper | 90.3 | 88 | Rem. |
| Lead | - | - | - |
| Iron | - | - | - |
| Nickel (incl Co) | - | - | .25 |
| Aluminum | 7 | 6 | 8 |
| Manganese | - | - | - |
| Magnesium | - | - | - |
| Silicon | 2.5 | 1.8 | 3.2 |
| Zinc | - | - | - |
| Tin | - | - | - |
Applications
Cable connectors, pole line hardware, terminals, gears, worm gears, marine hardware, valve stems.
Mechanical Properties (as cast)
M07 - As Continuous Cast
| Hardness* | Brinell Hardness (3000 kg load) | 140 |
| Tensile Strength** | KSI | 75 |
| Yield Strength ** | KSI (0.5% Ext. under load) | 34 |
| Elongation** | % in 2 inch | 18 |
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
| Thermal Conductivity | BTU/ (sq ft-ft-hr-F) | 22.3 |
| Specific Heat | BTU/lb/ºF @ 68F | .09 |
| Thermal Expansion | Per °F from 68 F to 572 F | .000009 |
| Density | lb/cu in @ 68 F | .278 |
| Electrical Conductivity | % IACS @ 68 F | 8 |
| Modulus of Elasticity | KSI | 15,000 |
*Volume basis
Fabrication Practices
| Stress relieving temperature | 600 F or 315 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 | |
| Gas Shielded Arc Welding/Good | |
| Coated Metal Arc Welding/Fair |