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238.0 Aluminum vs. CR003A Copper

238.0 aluminum belongs to the aluminum alloys classification, while CR003A copper belongs to the copper alloys. There are 28 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 238.0 aluminum and the bottom bar is CR003A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
120
Elongation at Break, % 1.5
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
43
Tensile Strength: Ultimate (UTS), MPa 210
230
Tensile Strength: Yield (Proof), MPa 170
140

Thermal Properties

Latent Heat of Fusion, J/g 430
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 600
1090
Melting Onset (Solidus), °C 510
1040
Specific Heat Capacity, J/kg-K 840
390
Thermal Conductivity, W/m-K 100
380
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
100
Electrical Conductivity: Equal Weight (Specific), % IACS 67
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 3.4
9.0
Embodied Carbon, kg CO2/kg material 7.4
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1040
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
31
Resilience: Unit (Modulus of Resilience), kJ/m3 180
83
Stiffness to Weight: Axial, points 12
7.2
Stiffness to Weight: Bending, points 42
18
Strength to Weight: Axial, points 17
7.1
Strength to Weight: Bending, points 23
9.3
Thermal Diffusivity, mm2/s 37
110
Thermal Shock Resistance, points 9.1
8.1

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Copper (Cu), % 9.5 to 10.5
99.954 to 100
Iron (Fe), % 1.0 to 1.5
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Magnesium (Mg), % 0 to 0.25
0
Oxygen (O), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 3.6 to 4.4
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Zinc (Zn), % 1.0 to 1.5
0