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C17300 Copper vs. A357.0 Aluminum

C17300 copper belongs to the copper alloys classification, while A357.0 aluminum belongs to the aluminum 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 C17300 copper and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 3.0 to 23
3.7
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 320 to 790
240
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
350
Tensile Strength: Yield (Proof), MPa 160 to 1200
270

Thermal Properties

Latent Heat of Fusion, J/g 230
500
Maximum Temperature: Mechanical, °C 270
170
Melting Completion (Liquidus), °C 980
610
Melting Onset (Solidus), °C 870
560
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
40
Electrical Conductivity: Equal Weight (Specific), % IACS 23
140

Otherwise Unclassified Properties

Density, g/cm3 8.8
2.6
Embodied Carbon, kg CO2/kg material 9.4
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 310
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 88
12
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5410
520
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 16 to 44
38
Strength to Weight: Bending, points 16 to 31
43
Thermal Diffusivity, mm2/s 32
68
Thermal Shock Resistance, points 17 to 48
17

Alloy Composition

Aluminum (Al), % 0 to 0.2
90.8 to 93
Beryllium (Be), % 1.8 to 2.0
0.040 to 0.070
Copper (Cu), % 95.5 to 97.8
0 to 0.2
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0.2 to 0.6
0
Silicon (Si), % 0 to 0.2
6.5 to 7.5
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15