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1050 Aluminum vs. CR023A Copper

1050 aluminum belongs to the aluminum alloys classification, while CR023A 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 1050 aluminum and the bottom bar is CR023A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 4.6 to 37
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 76 to 140
220
Tensile Strength: Yield (Proof), MPa 25 to 120
130

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 650
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
380
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
100
Electrical Conductivity: Equal Weight (Specific), % IACS 200
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 1200
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 22
29
Resilience: Unit (Modulus of Resilience), kJ/m3 4.6 to 110
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 7.8 to 14
6.8
Strength to Weight: Bending, points 15 to 22
9.0
Thermal Diffusivity, mm2/s 94
110
Thermal Shock Resistance, points 3.4 to 6.2
7.8

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 0 to 0.050
99.9 to 99.995
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0
Phosphorus (P), % 0
0.0050 to 0.013
Silicon (Si), % 0 to 0.25
0
Silver (Ag), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0