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C17300 Copper vs. 238.0 Aluminum

C17300 copper belongs to the copper alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 27 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 C17300 copper and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
76
Elongation at Break, % 3.0 to 23
1.5
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
28
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
210
Tensile Strength: Yield (Proof), MPa 160 to 1200
170

Thermal Properties

Latent Heat of Fusion, J/g 230
430
Maximum Temperature: Mechanical, °C 270
170
Melting Completion (Liquidus), °C 980
600
Melting Onset (Solidus), °C 870
510
Specific Heat Capacity, J/kg-K 380
840
Thermal Conductivity, W/m-K 110
100
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
25
Electrical Conductivity: Equal Weight (Specific), % IACS 23
67

Otherwise Unclassified Properties

Density, g/cm3 8.8
3.4
Embodied Carbon, kg CO2/kg material 9.4
7.4
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 310
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 88
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5410
180
Stiffness to Weight: Axial, points 7.6
12
Stiffness to Weight: Bending, points 19
42
Strength to Weight: Axial, points 16 to 44
17
Strength to Weight: Bending, points 16 to 31
23
Thermal Diffusivity, mm2/s 32
37
Thermal Shock Resistance, points 17 to 48
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.2
81.9 to 84.9
Beryllium (Be), % 1.8 to 2.0
0
Copper (Cu), % 95.5 to 97.8
9.5 to 10.5
Iron (Fe), % 0 to 0.4
1.0 to 1.5
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
0 to 0.25
Nickel (Ni), % 0.2 to 0.6
0
Silicon (Si), % 0 to 0.2
3.6 to 4.4
Zinc (Zn), % 0
1.0 to 1.5
Residuals, % 0 to 0.5
0