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7049 Aluminum vs. C17300 Copper

7049 aluminum belongs to the aluminum alloys classification, while C17300 copper belongs to the copper alloys. There are 28 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 C17300 copper.

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 23
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
45
Shear Strength, MPa 300 to 310
320 to 790
Tensile Strength: Ultimate (UTS), MPa 510 to 530
500 to 1380
Tensile Strength: Yield (Proof), MPa 420 to 450
160 to 1200

Thermal Properties

Latent Heat of Fusion, J/g 370
230
Maximum Temperature: Mechanical, °C 180
270
Melting Completion (Liquidus), °C 640
980
Melting Onset (Solidus), °C 480
870
Specific Heat Capacity, J/kg-K 860
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
22
Electrical Conductivity: Equal Weight (Specific), % IACS 110
23

Otherwise Unclassified Properties

Density, g/cm3 3.1
8.8
Embodied Carbon, kg CO2/kg material 8.1
9.4
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
40 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
110 to 5410
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 46 to 47
16 to 44
Strength to Weight: Bending, points 46 to 47
16 to 31
Thermal Diffusivity, mm2/s 51
32
Thermal Shock Resistance, points 22 to 23
17 to 48

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
95.5 to 97.8
Iron (Fe), % 0 to 0.35
0 to 0.4
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0
0.2 to 0.6
Silicon (Si), % 0 to 0.25
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0
0 to 0.5