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EN AC-21100 Aluminum vs. C31600 Bronze

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C31600 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 EN AC-21100 aluminum and the bottom bar is C31600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 6.2 to 7.3
6.7 to 28
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 340 to 350
270 to 460
Tensile Strength: Yield (Proof), MPa 210 to 240
80 to 390

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 670
1040
Melting Onset (Solidus), °C 550
1010
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
32
Electrical Conductivity: Equal Weight (Specific), % IACS 100
33

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 3.0
8.8
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
30 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
28 to 690
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 31 to 33
8.5 to 15
Strength to Weight: Bending, points 36 to 37
11 to 15
Thermal Diffusivity, mm2/s 48
42
Thermal Shock Resistance, points 15
9.4 to 16

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
87.5 to 90.5
Iron (Fe), % 0 to 0.19
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0
0.7 to 1.2
Phosphorus (P), % 0
0.040 to 0.1
Silicon (Si), % 0 to 0.18
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
5.2 to 10.5
Residuals, % 0 to 0.1
0 to 0.4