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EN AC-44300 Aluminum vs. C91100 Bronze

EN AC-44300 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 (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 EN AC-44300 aluminum and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 1.1
2.0
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 270
240
Tensile Strength: Yield (Proof), MPa 150
170

Thermal Properties

Latent Heat of Fusion, J/g 570
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 590
950
Melting Onset (Solidus), °C 580
820
Specific Heat Capacity, J/kg-K 900
360
Thermal Conductivity, W/m-K 130
63
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
38
Density, g/cm3 2.5
8.7
Embodied Carbon, kg CO2/kg material 7.7
4.2
Embodied Energy, MJ/kg 140
69
Embodied Water, L/kg 1050
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140
Stiffness to Weight: Axial, points 16
6.7
Stiffness to Weight: Bending, points 55
18
Strength to Weight: Axial, points 29
7.7
Strength to Weight: Bending, points 36
9.9
Thermal Diffusivity, mm2/s 58
20
Thermal Shock Resistance, points 13
9.1

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.1
82 to 85
Iron (Fe), % 0 to 1.0
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 10.5 to 13.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
15 to 17
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0 to 0.25
Residuals, % 0 to 0.25
0