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4343 Aluminum vs. C51100 Bronze

4343 aluminum belongs to the aluminum alloys classification, while C51100 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 4343 aluminum and the bottom bar is C51100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 4.4
2.5 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
42
Shear Strength, MPa 64
230 to 410
Tensile Strength: Ultimate (UTS), MPa 110
330 to 720
Tensile Strength: Yield (Proof), MPa 62
93 to 700

Thermal Properties

Latent Heat of Fusion, J/g 510
200
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 620
1060
Melting Onset (Solidus), °C 580
970
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 180
84
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
20
Electrical Conductivity: Equal Weight (Specific), % IACS 150
20

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 7.9
3.0
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1100
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1
18 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 27
38 to 2170
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 12
10 to 22
Strength to Weight: Bending, points 20
12 to 20
Thermal Diffusivity, mm2/s 77
25
Thermal Shock Resistance, points 5.2
12 to 26

Alloy Composition

Aluminum (Al), % 90.3 to 93.2
0
Copper (Cu), % 0 to 0.25
93.8 to 96.5
Iron (Fe), % 0 to 0.8
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.1
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 6.8 to 8.2
0
Tin (Sn), % 0
3.5 to 4.9
Zinc (Zn), % 0 to 0.2
0 to 0.3
Residuals, % 0
0 to 0.5