| Data still to be completed------(<---links) | |
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| PRODUCT DATA of CDA 687 |
| Material | CDA 687 |
| General Information | Typical data from standards handbook of copper and copper alloys (CDA inc) @ Room Temperature |
| Chemical Composition | Cu-2Al-0.05As-21Zn |
| EXPERIENCE IN PRACTICE |
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| Equivalent Designations | C68700; CuZn20Al2As; CW702R; 2.0460; CZ110; Cu-Zn22Al2; CDA687; aluminium brass arsenical |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 8.33 |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 110 GPa |
| Shear Modulus | 41.2 GPa |
| ELECTRICAL PROPERTIES |
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| Electrical Volume Resistivity | 7.5e-8 ohm.m |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 100 W/m.K |
| Thermal Expansion Coefficient | 18.5 µstrain/°C |
| Melting Range | 935 to 970 °C |
| Specific Heat | 0.377 J/g.K |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| Stress Corrosion Status | Low Resistance to SCC: Table 3
Remark: Not for primary structural items Remark: in the 10% and 40% cold rolled condition only Remark: acc. to ECSS-Q-ST-70-36C Data Quality: Design Data |