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C69400 Brass vs. EN AC-71100 Aluminum

C69400 brass belongs to the copper alloys classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C69400 brass and the bottom bar is EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 17
1.1
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 570
260
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 260
490
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
580
Melting Onset (Solidus), °C 820
520
Specific Heat Capacity, J/kg-K 410
860
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
32
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
97

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.9
Embodied Carbon, kg CO2/kg material 2.7
7.4
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 300
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 340
360
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 18
31
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
78.7 to 83.3
Copper (Cu), % 80 to 83
0 to 0.1
Iron (Fe), % 0 to 0.2
0 to 0.3
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0
0 to 0.15
Silicon (Si), % 3.5 to 4.5
7.5 to 9.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 11.5 to 16.5
9.0 to 10.5
Residuals, % 0
0 to 0.15