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PRODUCT DATA of CDA 725
MaterialCDA 725
General InformationTypical data from standards handbook of copper and copper alloys (Copper.org) @ Room Temperature
Chemical CompositionCu-9.5Ni-2.3Zn
EXPERIENCE IN PRACTICE
Equivalent DesignationsC72500; CuNi9Sn2; CW351H; 2.0875; CDA725
PHYSICAL PROPERTIES
Specific Gravity8.89
ELASTIC PROPERTIES
Tensile Modulus138 GPa
Shear Modulus51.7 GPa
ELECTRICAL PROPERTIES
Electrical Volume Resistivity1.57e-7 ohm.m
THERMAL PROPERTIES
Thermal Conductivity53.7 W/m.K
Thermal Expansion Coefficient16.6 µstrain/°C
Melting Range1060 to 1130 °C
Specific Heat0.377 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
Stress Corrosion StatusHigh Resistance to SCC: Table 1
Remark: in the 50% cold rolled condition and in the annealed condition only
Remark: acc. to ECSS-Q-ST-70-36C
Data Quality: Design Data