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1070A Aluminum vs. C61800 Bronze

1070A aluminum belongs to the aluminum alloys classification, while C61800 bronze belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 1070A aluminum and the bottom bar is C61800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 2.3 to 33
26
Fatigue Strength, MPa 17 to 51
190
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Shear Strength, MPa 44 to 81
310
Tensile Strength: Ultimate (UTS), MPa 68 to 140
740
Tensile Strength: Yield (Proof), MPa 17 to 120
310

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 640
1040
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 230
64
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
13
Electrical Conductivity: Equal Weight (Specific), % IACS 200
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
28
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.2
3.1
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1200
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
150
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 7.0 to 14
25
Strength to Weight: Bending, points 14 to 22
22
Thermal Diffusivity, mm2/s 94
18
Thermal Shock Resistance, points 3.1 to 6.3
26

Alloy Composition

Aluminum (Al), % 99.7 to 100
8.5 to 11
Copper (Cu), % 0 to 0.030
86.9 to 91
Iron (Fe), % 0 to 0.25
0.5 to 1.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.070
0 to 0.020
Residuals, % 0
0 to 0.5