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4147 Aluminum vs. CR007A Copper

4147 aluminum belongs to the aluminum alloys classification, while CR007A 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 4147 aluminum and the bottom bar is CR007A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 3.3
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 110
230
Tensile Strength: Yield (Proof), MPa 59
140

Thermal Properties

Latent Heat of Fusion, J/g 570
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 580
1090
Melting Onset (Solidus), °C 560
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
380
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
100
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.5
9.0
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1050
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
31
Resilience: Unit (Modulus of Resilience), kJ/m3 24
83
Stiffness to Weight: Axial, points 16
7.2
Stiffness to Weight: Bending, points 55
18
Strength to Weight: Axial, points 12
7.1
Strength to Weight: Bending, points 20
9.3
Thermal Diffusivity, mm2/s 58
110
Thermal Shock Resistance, points 5.2
8.1

Alloy Composition

Aluminum (Al), % 85 to 88.9
0
Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Beryllium (Be), % 0 to 0.00030
0
Bismuth (Bi), % 0
0 to 0.00020
Copper (Cu), % 0 to 0.25
99.994 to 100
Iron (Fe), % 0 to 0.8
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0 to 0.1
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 11 to 13
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0