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7049 Aluminum vs. C70600 Copper-nickel

7049 aluminum belongs to the aluminum alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 7049 aluminum and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 6.2 to 7.0
3.0 to 34
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
46
Shear Strength, MPa 300 to 310
190 to 330
Tensile Strength: Ultimate (UTS), MPa 510 to 530
290 to 570
Tensile Strength: Yield (Proof), MPa 420 to 450
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 370
220
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 640
1150
Melting Onset (Solidus), °C 480
1100
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 130
44
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 110
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 8.1
3.4
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 1110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
16 to 290
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 46 to 47
9.1 to 18
Strength to Weight: Bending, points 46 to 47
11 to 17
Thermal Diffusivity, mm2/s 51
13
Thermal Shock Resistance, points 22 to 23
9.8 to 19

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
84.7 to 90
Iron (Fe), % 0 to 0.35
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0 to 1.0
Residuals, % 0
0 to 0.5