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6070 Aluminum vs. C95200 Bronze

6070 aluminum belongs to the aluminum alloys classification, while C95200 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 6070 aluminum and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 5.6 to 8.6
29
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 370 to 380
520
Tensile Strength: Yield (Proof), MPa 350
190

Thermal Properties

Latent Heat of Fusion, J/g 410
230
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 650
1050
Melting Onset (Solidus), °C 570
1040
Specific Heat Capacity, J/kg-K 900
430
Thermal Conductivity, W/m-K 160
50
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1170
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 32
120
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 900
170
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 38
17
Strength to Weight: Bending, points 42 to 43
17
Thermal Diffusivity, mm2/s 65
14
Thermal Shock Resistance, points 16 to 17
19

Alloy Composition

Aluminum (Al), % 94.6 to 98
8.5 to 9.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
86 to 89
Iron (Fe), % 0 to 0.5
2.5 to 4.0
Magnesium (Mg), % 0.5 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0
Silicon (Si), % 1.0 to 1.7
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 1.0