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EN AC-71100 Aluminum vs. C43000 Brass

EN AC-71100 aluminum belongs to the aluminum alloys classification, while C43000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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-71100 aluminum and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.1
3.0 to 55
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 260
320 to 710
Tensile Strength: Yield (Proof), MPa 230
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 490
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
1030
Melting Onset (Solidus), °C 520
1000
Specific Heat Capacity, J/kg-K 860
380
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
27
Electrical Conductivity: Equal Weight (Specific), % IACS 97
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.9
8.6
Embodied Carbon, kg CO2/kg material 7.4
2.8
Embodied Energy, MJ/kg 140
46
Embodied Water, L/kg 1010
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 360
82 to 1350
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 25
10 to 23
Strength to Weight: Bending, points 31
12 to 20
Thermal Shock Resistance, points 12
11 to 25

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
84 to 87
Iron (Fe), % 0 to 0.3
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0
1.7 to 2.7
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
9.7 to 14.3
Residuals, % 0
0 to 0.5