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EN AC-21100 Aluminum vs. C62400 Bronze

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C62400 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 C62400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 6.2 to 7.3
11 to 14
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 340 to 350
690 to 730
Tensile Strength: Yield (Proof), MPa 210 to 240
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 670
1040
Melting Onset (Solidus), °C 550
1030
Specific Heat Capacity, J/kg-K 880
440
Thermal Conductivity, W/m-K 130
59
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
27
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
3.2
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1150
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
68 to 77
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
320 to 550
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 31 to 33
23 to 25
Strength to Weight: Bending, points 36 to 37
21 to 22
Thermal Diffusivity, mm2/s 48
16
Thermal Shock Resistance, points 15
25 to 26

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
10 to 11.5
Copper (Cu), % 4.2 to 5.2
82.8 to 88
Iron (Fe), % 0 to 0.19
2.0 to 4.5
Manganese (Mn), % 0 to 0.55
0 to 0.3
Silicon (Si), % 0 to 0.18
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0 to 0.5