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EN AC-21100 Aluminum vs. C62300 Bronze

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C62300 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 C62300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 6.2 to 7.3
18 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 340 to 350
570 to 630
Tensile Strength: Yield (Proof), MPa 210 to 240
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 670
1050
Melting Onset (Solidus), °C 550
1040
Specific Heat Capacity, J/kg-K 880
440
Thermal Conductivity, W/m-K 130
54
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
12
Electrical Conductivity: Equal Weight (Specific), % IACS 100
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 3.0
8.3
Embodied Carbon, kg CO2/kg material 8.0
3.1
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1150
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
95 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
240 to 430
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
19 to 21
Strength to Weight: Bending, points 36 to 37
18 to 20
Thermal Diffusivity, mm2/s 48
15
Thermal Shock Resistance, points 15
20 to 22

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
8.5 to 10
Copper (Cu), % 4.2 to 5.2
83.2 to 89.5
Iron (Fe), % 0 to 0.19
2.0 to 4.0
Manganese (Mn), % 0 to 0.55
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0 to 0.18
0 to 0.25
Tin (Sn), % 0
0 to 0.6
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0 to 0.5