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705.0 Aluminum vs. C95800 Bronze

705.0 aluminum belongs to the aluminum alloys classification, while C95800 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 705.0 aluminum and the bottom bar is C95800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 8.4 to 10
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 240 to 260
660
Tensile Strength: Yield (Proof), MPa 130
270

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 180
230
Melting Completion (Liquidus), °C 640
1060
Melting Onset (Solidus), °C 610
1040
Specific Heat Capacity, J/kg-K 890
440
Thermal Conductivity, W/m-K 140
36
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.8
8.3
Embodied Carbon, kg CO2/kg material 8.4
3.4
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1170
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
310
Stiffness to Weight: Axial, points 14
7.9
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 24 to 26
22
Strength to Weight: Bending, points 31 to 32
20
Thermal Diffusivity, mm2/s 55
9.9
Thermal Shock Resistance, points 11
23

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
8.5 to 9.5
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
79 to 83.2
Iron (Fe), % 0 to 0.8
3.5 to 4.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 1.4 to 1.8
0
Manganese (Mn), % 0 to 0.6
0.8 to 1.5
Nickel (Ni), % 0
4.0 to 5.0
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 3.3
0
Residuals, % 0
0 to 0.5