Copper Alloys
Commercial Bronze
| Application & Characteristics | |
|---|---|
| Marine hardware, primer caps and base for vitreous enamel in costume jewellery. | |
| Chemical Composition (%) | |
| Cu90; Zn 10 | |
| Physical Properties | |
| Melting Range (°F) | 1870 1910 |
| Density (lbs/in³) 68F | 0.318 |
| Thermal Expansion (in/in °Fx10 to the power of -6) | 10.2 (68-572F) |
| Electrical Resistivity (ohms/cir mil/ft.) 68F | 23.6 |
| Mechanical Properties Temper = A | |
| Tensile Strength (psi x 10³) | 37 |
| Yield Strength (psi x 10³) | 10 |
| Elongation ( % ) | 45 |
| Hardness | F53(Rockwell) |
| Mechanical Properties Temper = H | |
| Tensile Strength (psi x 10³) | 61 |
| Yield Strength (psi x 10³) | 54 |
| Elongation ( % ) | 5 |
| Hardness | B70(Rockwell) |
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