Copper Alloy No. CDA 954



Composition - Percent

  Nominal Minimum Maximum
Aluminum 11 10.0 11.5
Copper 85 83.0 ...
Iron 4 3.0 5.0
Manganese ... ... .50
Nickel ... ... 2.5

Physical Properties

Melting Point
(Liquidus)
1900°F
Melting Point
(Solidus)
1880°F
Density .269 lb./cu. in. @ 68°F
Specific Gravity 7.45
Coefficient of
Thermal Expansion
.000009 per °F from 68°F to 572°F
Thermal Conductivity 33.9 BTU/sq. ft./ft./hr/°F @68°F
Electrical Conductivity 13 %IACS @ 68°F
Specific Heat .10 BTU/lb./°F @ 68°F
Modulus of Elasticity
(Tension)
15,500 ksi

Mechanical Properties

Min. Typ.
Tensile Strength - ksi (kg/mm²) 75.0 85
Yield Strength - ksi (kg/mm²)
(.5% Extension Under Load)
30.0 35
Yield Strength - ksi (kg/mm²)
(.2% Offset)
... ...
Elongation in 2 inches (50mm)
Percent
12 18