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3004 Aluminum vs. C90900 Bronze

3004 aluminum belongs to the aluminum alloys classification, while C90900 bronze belongs to the copper alloys. There are 29 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 3004 aluminum and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45 to 83
90
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 19
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 170 to 310
280
Tensile Strength: Yield (Proof), MPa 68 to 270
140

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 650
980
Melting Onset (Solidus), °C 630
820
Specific Heat Capacity, J/kg-K 900
360
Thermal Conductivity, W/m-K 160
65
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.3
3.9
Embodied Energy, MJ/kg 150
64
Embodied Water, L/kg 1180
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 27
35
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 540
89
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 18 to 31
8.8
Strength to Weight: Bending, points 25 to 37
11
Thermal Diffusivity, mm2/s 65
21
Thermal Shock Resistance, points 7.6 to 13
10

Alloy Composition

Aluminum (Al), % 95.6 to 98.2
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.25
86 to 89
Iron (Fe), % 0 to 0.7
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.3
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.6