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4032 Aluminum vs. CR005A Copper

4032 aluminum belongs to the aluminum alloys classification, while CR005A 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 4032 aluminum and the bottom bar is CR005A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
120
Elongation at Break, % 6.7
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
43
Tensile Strength: Ultimate (UTS), MPa 390
230
Tensile Strength: Yield (Proof), MPa 320
140

Thermal Properties

Latent Heat of Fusion, J/g 570
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 570
1090
Melting Onset (Solidus), °C 530
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 140
380
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
100
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 2.6
9.0
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1030
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
31
Resilience: Unit (Modulus of Resilience), kJ/m3 700
83
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 41
7.1
Strength to Weight: Bending, points 45
9.3
Thermal Diffusivity, mm2/s 59
110
Thermal Shock Resistance, points 20
8.1

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 1.3
99.9 to 100
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0.8 to 1.3
0
Nickel (Ni), % 0.5 to 1.3
0
Oxygen (O), % 0
0 to 0.040
Silicon (Si), % 11 to 13.5
0
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0