Composition - Percent |
|||
|---|---|---|---|
| Nominal | Minimum | Maximum | |
| Aluminum | 6 | 5.0 | 7.5 |
| Copper | 63 | 60.0 | 66.0 |
| Iron | 3 | 2.0 | 4.0 |
| Lead | ... | ... | .20 |
| Manganese | 3 | 2.5 | 5.0 |
| Nickel | ... | ... | 1.0 |
| Tin | ... | ... | .20 |
| Zinc | 25 | 22.0 | 28.0 |
Physical Properties |
|
|---|---|
| Melting Point (Liquidus) |
1693°F |
| Melting Point (Solidus) |
1625°F |
| Density | .283 lb./cu. in. @ 68°F |
| Specific Gravity | 7.84 |
| Coefficient of Thermal Expansion |
.000012 per °F from 68°F to 500°F |
| Thermal Conductivity | 20.5 BTU/sq. ft./ft./hr/°F @68°F |
| Electrical Conductivity | 8.0 %IACS @ 68°F |
| Specific Heat | .09 BTU/lb./°F @ 68°F |
| Modulus of Elasticity (Tension) |
14,200 ksi |
Mechanical Properties |
||
|---|---|---|
| Min. | Typ. | |
| Tensile Strength - ksi (kg/mm²) | 110.0 | 115 |
| Yield Strength - ksi (kg/mm²) (.5% Extension Under Load) |
60.0 | 65 |
| Yield Strength - ksi (kg/mm²) (.2% Offset) |
60.0 | 83 |
| Elongation in 2 inches (50mm) Percent |
12 | 15 |