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1050 Aluminum vs. C91100 Bronze

1050 aluminum belongs to the aluminum alloys classification, while C91100 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 1050 aluminum and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 4.6 to 37
2.0
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 76 to 140
240
Tensile Strength: Yield (Proof), MPa 25 to 120
170

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
950
Melting Onset (Solidus), °C 650
820
Specific Heat Capacity, J/kg-K 900
360
Thermal Conductivity, W/m-K 230
63
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
38
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.3
4.2
Embodied Energy, MJ/kg 160
69
Embodied Water, L/kg 1200
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 22
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 4.6 to 110
140
Stiffness to Weight: Axial, points 14
6.7
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 7.8 to 14
7.7
Strength to Weight: Bending, points 15 to 22
9.9
Thermal Diffusivity, mm2/s 94
20
Thermal Shock Resistance, points 3.4 to 6.2
9.1

Alloy Composition

Aluminum (Al), % 99.5 to 100
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.050
82 to 85
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
15 to 17
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.25