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705.0 Aluminum vs. C90700 Bronze

705.0 aluminum belongs to the aluminum alloys classification, while C90700 bronze belongs to the copper alloys. There are 29 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 705.0 aluminum and the bottom bar is C90700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62 to 65
90
Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 8.4 to 10
12
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 240 to 260
330
Tensile Strength: Yield (Proof), MPa 130
180

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
1000
Melting Onset (Solidus), °C 610
830
Specific Heat Capacity, J/kg-K 890
370
Thermal Conductivity, W/m-K 140
71
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
10
Electrical Conductivity: Equal Weight (Specific), % IACS 110
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
35
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.4
3.7
Embodied Energy, MJ/kg 150
60
Embodied Water, L/kg 1170
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
34
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
150
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 24 to 26
10
Strength to Weight: Bending, points 31 to 32
12
Thermal Diffusivity, mm2/s 55
22
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
88 to 90
Iron (Fe), % 0 to 0.8
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 1.4 to 1.8
0
Manganese (Mn), % 0 to 0.6
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 12
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 3.3
0 to 0.5
Residuals, % 0
0 to 0.6