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C34500 Brass vs. B443.0 Aluminum

C34500 brass belongs to the copper alloys classification, while B443.0 aluminum belongs to the aluminum alloys. There are 29 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 C34500 brass and the bottom bar is B443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 12 to 28
4.9
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 220 to 260
110
Tensile Strength: Ultimate (UTS), MPa 340 to 430
150
Tensile Strength: Yield (Proof), MPa 120 to 180
50

Thermal Properties

Latent Heat of Fusion, J/g 170
470
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 910
620
Melting Onset (Solidus), °C 890
600
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
38
Electrical Conductivity: Equal Weight (Specific), % IACS 29
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
18
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 19
52
Strength to Weight: Axial, points 12 to 15
15
Strength to Weight: Bending, points 13 to 16
23
Thermal Diffusivity, mm2/s 37
61
Thermal Shock Resistance, points 11 to 14
6.8

Alloy Composition

Aluminum (Al), % 0
91.9 to 95.5
Copper (Cu), % 62 to 65
0 to 0.15
Iron (Fe), % 0 to 0.15
0 to 0.8
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.35
Silicon (Si), % 0
4.5 to 6.0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 32 to 36.5
0 to 0.35
Residuals, % 0
0 to 0.15