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238.0 Aluminum vs. C95200 Bronze

238.0 aluminum belongs to the aluminum alloys classification, while C95200 bronze belongs to the copper alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 238.0 aluminum and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 1.5
29
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
42
Tensile Strength: Ultimate (UTS), MPa 210
520
Tensile Strength: Yield (Proof), MPa 170
190

Thermal Properties

Latent Heat of Fusion, J/g 430
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 600
1050
Melting Onset (Solidus), °C 510
1040
Specific Heat Capacity, J/kg-K 840
430
Thermal Conductivity, W/m-K 100
50
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 67
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 3.4
8.3
Embodied Carbon, kg CO2/kg material 7.4
3.0
Embodied Energy, MJ/kg 140
50
Embodied Water, L/kg 1040
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
170
Stiffness to Weight: Axial, points 12
7.6
Stiffness to Weight: Bending, points 42
19
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 9.1
19

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
8.5 to 9.5
Copper (Cu), % 9.5 to 10.5
86 to 89
Iron (Fe), % 1.0 to 1.5
2.5 to 4.0
Magnesium (Mg), % 0 to 0.25
0
Silicon (Si), % 3.6 to 4.4
0
Zinc (Zn), % 1.0 to 1.5
0
Residuals, % 0
0 to 1.0