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EN AC-21200 Aluminum vs. C93800 Bronze

EN AC-21200 aluminum belongs to the aluminum alloys classification, while C93800 bronze belongs to the copper alloys. There are 28 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 EN AC-21200 aluminum and the bottom bar is C93800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
96
Elongation at Break, % 3.9 to 6.2
9.7
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 27
35
Tensile Strength: Ultimate (UTS), MPa 410 to 440
200
Tensile Strength: Yield (Proof), MPa 270 to 360
120

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 660
940
Melting Onset (Solidus), °C 550
850
Specific Heat Capacity, J/kg-K 880
340
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 3.0
9.1
Embodied Carbon, kg CO2/kg material 8.0
3.2
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1150
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
17
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 930
70
Stiffness to Weight: Axial, points 13
5.9
Stiffness to Weight: Bending, points 46
17
Strength to Weight: Axial, points 38 to 40
6.1
Strength to Weight: Bending, points 41 to 43
8.4
Thermal Diffusivity, mm2/s 49
17
Thermal Shock Resistance, points 18 to 19
8.1

Alloy Composition

Aluminum (Al), % 93.3 to 95.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 4.0 to 5.0
75 to 79
Iron (Fe), % 0 to 0.2
0 to 0.15
Lead (Pb), % 0 to 0.030
13 to 16
Magnesium (Mg), % 0.15 to 0.5
0
Manganese (Mn), % 0.2 to 0.5
0
Nickel (Ni), % 0 to 0.050
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.030
6.3 to 7.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 0.8
Residuals, % 0
0 to 1.0