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296.0 Aluminum vs. CR025A Copper

296.0 aluminum belongs to the aluminum alloys classification, while CR025A copper belongs to the copper alloys. There are 28 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 296.0 aluminum and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 3.2 to 7.1
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 260 to 270
230
Tensile Strength: Yield (Proof), MPa 120 to 180
140

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 630
1090
Melting Onset (Solidus), °C 540
1040
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 130 to 150
370
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
99
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
99

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.0
9.0
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1110
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 15
31
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 24 to 25
7.1
Strength to Weight: Bending, points 30 to 31
9.3
Thermal Diffusivity, mm2/s 51 to 56
110
Thermal Shock Resistance, points 12
8.1

Alloy Composition

Aluminum (Al), % 89 to 94
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 4.0 to 5.0
99.9 to 99.96
Iron (Fe), % 0 to 1.2
0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.35
0
Phosphorus (P), % 0
0.040 to 0.060
Silicon (Si), % 2.0 to 3.0
0
Silver (Ag), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0