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C19800 Copper vs. 6351 Aluminum

C19800 copper belongs to the copper alloys classification, while 6351 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C19800 copper and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 9.0 to 12
7.8 to 18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 260 to 330
84 to 200
Tensile Strength: Ultimate (UTS), MPa 430 to 550
140 to 310
Tensile Strength: Yield (Proof), MPa 420 to 550
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1070
650
Melting Onset (Solidus), °C 1050
570
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 260
180
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
46
Electrical Conductivity: Equal Weight (Specific), % IACS 62
150

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 52
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 770 to 1320
65 to 540
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 14 to 17
14 to 32
Strength to Weight: Bending, points 14 to 17
22 to 38
Thermal Diffusivity, mm2/s 75
72
Thermal Shock Resistance, points 15 to 20
6.1 to 14

Alloy Composition

Aluminum (Al), % 0
96 to 98.5
Copper (Cu), % 95.7 to 99.47
0 to 0.1
Iron (Fe), % 0.020 to 0.5
0 to 0.5
Magnesium (Mg), % 0.1 to 1.0
0.4 to 0.8
Manganese (Mn), % 0
0.4 to 0.8
Phosphorus (P), % 0.010 to 0.1
0
Silicon (Si), % 0
0.7 to 1.3
Tin (Sn), % 0.1 to 1.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.3 to 1.5
0 to 0.2
Residuals, % 0
0 to 0.15