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380.0 Aluminum vs. C87700 Bronze

380.0 aluminum belongs to the aluminum alloys classification, while C87700 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 380.0 aluminum and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 3.0
3.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
42
Tensile Strength: Ultimate (UTS), MPa 320
300
Tensile Strength: Yield (Proof), MPa 160
120

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 590
980
Melting Onset (Solidus), °C 540
900
Specific Heat Capacity, J/kg-K 870
400
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
45
Electrical Conductivity: Equal Weight (Specific), % IACS 83
48

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 2.9
8.5
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 1040
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 170
64
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 48
19
Strength to Weight: Axial, points 31
9.8
Strength to Weight: Bending, points 36
12
Thermal Diffusivity, mm2/s 40
34
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Antimony (Sb), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.0
87.5 to 90.5
Iron (Fe), % 0 to 2.0
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.8
Nickel (Ni), % 0 to 0.5
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 7.5 to 9.5
2.5 to 3.5
Tin (Sn), % 0 to 0.35
0 to 2.0
Zinc (Zn), % 0 to 3.0
7.0 to 9.0
Residuals, % 0
0 to 0.8