C95600 / CDA 956 Bronze Alloy
| 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 | – | – | – |
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 |