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6012 Aluminum vs. CC494K Bronze

6012 aluminum belongs to the aluminum alloys classification, while CC494K bronze 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 6012 aluminum and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 9.1 to 11
7.6
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 220 to 320
210
Tensile Strength: Yield (Proof), MPa 110 to 260
94

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
970
Melting Onset (Solidus), °C 570
890
Specific Heat Capacity, J/kg-K 890
360
Thermal Conductivity, W/m-K 160
63
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
16
Electrical Conductivity: Equal Weight (Specific), % IACS 140
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.9
9.1
Embodied Carbon, kg CO2/kg material 8.2
3.1
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1170
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
13
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
43
Stiffness to Weight: Axial, points 13
6.4
Stiffness to Weight: Bending, points 48
17
Strength to Weight: Axial, points 22 to 32
6.5
Strength to Weight: Bending, points 29 to 37
8.8
Thermal Diffusivity, mm2/s 62
19
Thermal Shock Resistance, points 10 to 14
7.8

Alloy Composition

Aluminum (Al), % 92.2 to 98
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0 to 0.7
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
78 to 87
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0.4 to 2.0
8.0 to 10
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0 to 0.2
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0.6 to 1.4
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.3
0 to 2.0
Residuals, % 0 to 0.15
0