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C34500 Brass vs. EN AC-71100 Aluminum

C34500 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 C34500 brass and the bottom bar is EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
72
Elongation at Break, % 12 to 28
1.1
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 340 to 430
260
Tensile Strength: Yield (Proof), MPa 120 to 180
230

Thermal Properties

Latent Heat of Fusion, J/g 170
490
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 910
580
Melting Onset (Solidus), °C 890
520
Specific Heat Capacity, J/kg-K 380
860
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
32
Electrical Conductivity: Equal Weight (Specific), % IACS 29
97

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 2.6
7.4
Embodied Energy, MJ/kg 45
140
Embodied Water, L/kg 320
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
360
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 12 to 15
25
Strength to Weight: Bending, points 13 to 16
31
Thermal Shock Resistance, points 11 to 14
12

Alloy Composition

Aluminum (Al), % 0
78.7 to 83.3
Copper (Cu), % 62 to 65
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.3
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0
0 to 0.15
Silicon (Si), % 0
7.5 to 9.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 32 to 36.5
9.0 to 10.5
Residuals, % 0
0 to 0.15