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C94700 Bronze vs. 5021 Aluminum

C94700 bronze belongs to the copper alloys classification, while 5021 aluminum belongs to the aluminum alloys. There are 28 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 C94700 bronze and the bottom bar is 5021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 7.9 to 32
1.1 to 3.4
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Tensile Strength: Ultimate (UTS), MPa 350 to 590
300 to 310
Tensile Strength: Yield (Proof), MPa 160 to 400
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 200
400
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 1030
640
Melting Onset (Solidus), °C 900
590
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 54
140
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
35
Electrical Conductivity: Equal Weight (Specific), % IACS 12
120

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 8.8
2.7
Embodied Carbon, kg CO2/kg material 3.5
8.6
Embodied Energy, MJ/kg 56
150
Embodied Water, L/kg 350
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
3.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
440 to 550
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 11 to 19
30 to 32
Strength to Weight: Bending, points 13 to 18
37
Thermal Diffusivity, mm2/s 16
57
Thermal Shock Resistance, points 12 to 21
13 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
95.2 to 97.7
Antimony (Sb), % 0 to 0.15
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 85 to 90
0 to 0.15
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0 to 0.2
0.1 to 0.5
Nickel (Ni), % 4.5 to 6.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.4
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0 to 0.15
Residuals, % 0
0 to 0.15