Composition - Percent |
|||
|---|---|---|---|
| Nominal | Minimum | Maximum | |
| Aluminum | 1 | .50 | 1.5 |
| Copper | 58 | 55.0 | 60.0 |
| Iron | 1 | .40 | 2.0 |
| Lead | ... | ... | .40 |
| Manganese | ... | .10 | 1.5 |
| Nickel | ... | ... | 1.0 |
| Tin | .5 | ... | 1.0 |
| Zinc | 39.5 | 36.0 | 42.0 |
Physical Properties |
|
|---|---|
| Melting Point (Liquidus) |
1616°F |
| Melting Point (Solidus) |
1583°F |
| Density | .301 lb./cu. in. @ 68°F |
| Specific Gravity | 8.3 |
| Coefficient of Thermal Expansion |
.0000113 per °F from 68°F to 212°F |
| Thermal Conductivity | 50 BTU/sq. ft./ft./hr/°F @68°F |
| Electrical Conductivity | 22 %IACS @ 68°F |
| Specific Heat | .09 BTU/lb./°F @ 68°F |
| Modulus of Elasticity (Tension) |
15,000 ksi |
Mechanical Properties |
||
|---|---|---|
| Min. | Typ. | |
| Tensile Strength - ksi (kg/mm²) | 65.0 | 71 |
| Yield Strength - ksi (kg/mm²) (.5% Extension Under Load) |
25.0 | 28 |
| Yield Strength - ksi (kg/mm²) (.2% Offset) |
25.0 | 28 |
| Elongation in 2 inches (50mm) Percent |
20 | 30 |