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C61800 Bronze vs. 707.0 Aluminum

C61800 bronze belongs to the copper alloys classification, while 707.0 aluminum belongs to the aluminum alloys. There are 29 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 C61800 bronze and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 26
1.7 to 3.4
Fatigue Strength, MPa 190
75 to 140
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
26
Tensile Strength: Ultimate (UTS), MPa 740
270 to 300
Tensile Strength: Yield (Proof), MPa 310
170 to 250

Thermal Properties

Latent Heat of Fusion, J/g 230
380
Maximum Temperature: Mechanical, °C 220
180
Melting Completion (Liquidus), °C 1050
630
Melting Onset (Solidus), °C 1040
600
Specific Heat Capacity, J/kg-K 440
880
Thermal Conductivity, W/m-K 64
150
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
37
Electrical Conductivity: Equal Weight (Specific), % IACS 14
110

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.5
Density, g/cm3 8.3
2.9
Embodied Carbon, kg CO2/kg material 3.1
8.3
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 390
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
4.3 to 8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 420
210 to 430
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 25
26 to 29
Strength to Weight: Bending, points 22
32 to 34
Thermal Diffusivity, mm2/s 18
58
Thermal Shock Resistance, points 26
12 to 13

Alloy Composition

Aluminum (Al), % 8.5 to 11
90.5 to 93.6
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 86.9 to 91
0 to 0.2
Iron (Fe), % 0.5 to 1.5
0 to 0.8
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
1.8 to 2.4
Manganese (Mn), % 0
0.4 to 0.6
Silicon (Si), % 0 to 0.1
0 to 0.2
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.020
4.0 to 4.5
Residuals, % 0
0 to 0.15