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380.0 Aluminum vs. C31400 Bronze

380.0 aluminum belongs to the aluminum alloys classification, while C31400 bronze belongs to the copper alloys. There are 29 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 380.0 aluminum and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 3.0
6.8 to 29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
42
Shear Strength, MPa 190
180 to 240
Tensile Strength: Ultimate (UTS), MPa 320
270 to 420
Tensile Strength: Yield (Proof), MPa 160
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 510
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 590
1040
Melting Onset (Solidus), °C 540
1010
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 100
180
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
42
Electrical Conductivity: Equal Weight (Specific), % IACS 83
43

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 2.9
8.8
Embodied Carbon, kg CO2/kg material 7.5
2.6
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 1040
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 170
28 to 420
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 48
18
Strength to Weight: Axial, points 31
8.7 to 13
Strength to Weight: Bending, points 36
11 to 14
Thermal Diffusivity, mm2/s 40
54
Thermal Shock Resistance, points 14
9.6 to 15

Alloy Composition


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Aluminum (Al), % 79.6 to 89.5
0
Copper (Cu), % 3.0 to 4.0
87.5 to 90.5
Iron (Fe), % 0 to 2.0
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.7
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
5.8 to 11.2
Residuals, % 0 to 0.5
0 to 0.4