MakeItFrom.com
Menu (ESC)

2218 Aluminum vs. C95200 Bronze

2218 aluminum belongs to the aluminum alloys classification, while C95200 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 2218 aluminum and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
120
Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 6.8 to 10
29
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 330 to 430
520
Tensile Strength: Yield (Proof), MPa 260 to 310
190

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 220
220
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 510
1040
Specific Heat Capacity, J/kg-K 870
430
Thermal Conductivity, W/m-K 140
50
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
11
Electrical Conductivity: Equal Weight (Specific), % IACS 110
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 3.1
8.3
Embodied Carbon, kg CO2/kg material 8.2
3.0
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1130
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
120
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
170
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 30 to 39
17
Strength to Weight: Bending, points 34 to 41
17
Thermal Diffusivity, mm2/s 52
14
Thermal Shock Resistance, points 15 to 19
19

Alloy Composition

Aluminum (Al), % 88.8 to 93.6
8.5 to 9.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
86 to 89
Iron (Fe), % 0 to 1.0
2.5 to 4.0
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 1.0