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C19800 Copper vs. 7175 Aluminum

C19800 copper belongs to the copper alloys classification, while 7175 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C19800 copper and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 9.0 to 12
3.8 to 5.9
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
26
Shear Strength, MPa 260 to 330
290 to 330
Tensile Strength: Ultimate (UTS), MPa 430 to 550
520 to 570
Tensile Strength: Yield (Proof), MPa 420 to 550
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1070
640
Melting Onset (Solidus), °C 1050
480
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 260
140
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
33
Electrical Conductivity: Equal Weight (Specific), % IACS 62
99

Otherwise Unclassified Properties

Base Metal Price, % relative 30
10
Density, g/cm3 8.9
3.0
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 52
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 770 to 1320
1310 to 1730
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
46
Strength to Weight: Axial, points 14 to 17
48 to 52
Strength to Weight: Bending, points 14 to 17
48 to 51
Thermal Diffusivity, mm2/s 75
53
Thermal Shock Resistance, points 15 to 20
23 to 25

Alloy Composition

Aluminum (Al), % 0
88 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 95.7 to 99.47
1.2 to 2.0
Iron (Fe), % 0.020 to 0.5
0 to 0.2
Magnesium (Mg), % 0.1 to 1.0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.1
Phosphorus (P), % 0.010 to 0.1
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0.1 to 1.0
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0.3 to 1.5
5.1 to 6.1
Residuals, % 0
0 to 0.15