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C95300 Bronze vs. 2218 Aluminum

C95300 bronze belongs to the copper alloys classification, while 2218 aluminum belongs to the aluminum 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 C95300 bronze and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 170
95 to 110
Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 14 to 25
6.8 to 10
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 520 to 610
330 to 430
Tensile Strength: Yield (Proof), MPa 190 to 310
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 230
390
Maximum Temperature: Mechanical, °C 220
220
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1040
510
Specific Heat Capacity, J/kg-K 440
870
Thermal Conductivity, W/m-K 63
140
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
37
Electrical Conductivity: Equal Weight (Specific), % IACS 14
110

Otherwise Unclassified Properties

Base Metal Price, % relative 28
11
Density, g/cm3 8.3
3.1
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 390
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 420
450 to 650
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 17 to 21
30 to 39
Strength to Weight: Bending, points 17 to 19
34 to 41
Thermal Diffusivity, mm2/s 17
52
Thermal Shock Resistance, points 19 to 22
15 to 19

Alloy Composition

Aluminum (Al), % 9.0 to 11
88.8 to 93.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 86.5 to 90.2
3.5 to 4.5
Iron (Fe), % 0.8 to 1.5
0 to 1.0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0
0 to 0.9
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15