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1085 Aluminum vs. C19100 Copper

1085 aluminum belongs to the aluminum alloys classification, while C19100 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 1085 aluminum and the bottom bar is C19100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 4.5 to 39
17 to 37
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 48 to 79
170 to 330
Tensile Strength: Ultimate (UTS), MPa 73 to 140
250 to 630
Tensile Strength: Yield (Proof), MPa 17 to 120
75 to 550

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 640
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
250
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
55
Electrical Conductivity: Equal Weight (Specific), % IACS 200
56

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 1200
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
60 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
24 to 1310
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 7.5 to 14
7.7 to 20
Strength to Weight: Bending, points 14 to 22
9.9 to 18
Thermal Diffusivity, mm2/s 94
73
Thermal Shock Resistance, points 3.3 to 6.1
8.9 to 22

Alloy Composition

Aluminum (Al), % 99.85 to 100
0
Copper (Cu), % 0 to 0.030
96.5 to 98.6
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0 to 0.2
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0
Nickel (Ni), % 0
0.9 to 1.3
Phosphorus (P), % 0
0.15 to 0.35
Silicon (Si), % 0 to 0.1
0
Tellurium (Te), % 0
0.35 to 0.6
Titanium (Ti), % 0 to 0.020
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0 to 0.5
Residuals, % 0
0 to 0.5