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EN AC-45100 Aluminum vs. C90700 Bronze

EN AC-45100 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 (1, 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-45100 aluminum and the bottom bar is C90700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 97 to 130
90
Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.0 to 2.8
12
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 300 to 360
330
Tensile Strength: Yield (Proof), MPa 210 to 320
180

Thermal Properties

Latent Heat of Fusion, J/g 470
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
1000
Melting Onset (Solidus), °C 550
830
Specific Heat Capacity, J/kg-K 890
370
Thermal Conductivity, W/m-K 140
71
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
10
Electrical Conductivity: Equal Weight (Specific), % IACS 95
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
35
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 7.9
3.7
Embodied Energy, MJ/kg 150
60
Embodied Water, L/kg 1100
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
34
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 710
150
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 30 to 35
10
Strength to Weight: Bending, points 35 to 39
12
Thermal Diffusivity, mm2/s 54
22
Thermal Shock Resistance, points 14 to 16
12

Alloy Composition

Aluminum (Al), % 88 to 92.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 2.6 to 3.6
88 to 90
Iron (Fe), % 0 to 0.6
0 to 0.15
Lead (Pb), % 0 to 0.1
0 to 0.5
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 4.5 to 6.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.050
10 to 12
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0
0 to 0.6