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2219 Aluminum vs. C91700 Bronze

2219 aluminum belongs to the aluminum alloys classification, while C91700 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 2219 aluminum and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 2.2 to 20
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 180 to 480
330
Tensile Strength: Yield (Proof), MPa 88 to 390
170

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 640
1020
Melting Onset (Solidus), °C 540
850
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 110 to 170
71
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
10
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 3.1
8.7
Embodied Carbon, kg CO2/kg material 8.2
3.9
Embodied Energy, MJ/kg 150
63
Embodied Water, L/kg 1130
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
35
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
140
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 44
18
Strength to Weight: Axial, points 16 to 43
11
Strength to Weight: Bending, points 23 to 44
12
Thermal Diffusivity, mm2/s 42 to 63
22
Thermal Shock Resistance, points 8.2 to 22
12

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 5.8 to 6.8
84.2 to 87.5
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0
Nickel (Ni), % 0
1.2 to 2.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Titanium (Ti), % 0.020 to 0.1
0
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0 to 0.25
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0