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C67400 Bronze vs. 3303 Aluminum

C67400 bronze belongs to the copper alloys classification, while 3303 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 C67400 bronze and the bottom bar is 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 22 to 28
23
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 310 to 350
69
Tensile Strength: Ultimate (UTS), MPa 480 to 610
110
Tensile Strength: Yield (Proof), MPa 250 to 370
39

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 890
650
Melting Onset (Solidus), °C 870
620
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 100
170
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
43
Electrical Conductivity: Equal Weight (Specific), % IACS 26
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 2.8
8.1
Embodied Energy, MJ/kg 48
150
Embodied Water, L/kg 330
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
20
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 660
11
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
49
Strength to Weight: Axial, points 17 to 22
11
Strength to Weight: Bending, points 17 to 20
18
Thermal Diffusivity, mm2/s 32
67
Thermal Shock Resistance, points 16 to 20
4.8

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
96.6 to 99
Copper (Cu), % 57 to 60
0.050 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.7
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 2.0 to 3.5
1.0 to 1.5
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 0.5 to 1.5
0 to 0.6
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 31.1 to 40
0 to 0.3
Residuals, % 0
0 to 0.15