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C34500 Brass vs. 6105 Aluminum

C34500 brass belongs to the copper alloys classification, while 6105 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
68
Elongation at Break, % 12 to 28
9.0 to 16
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 220 to 260
120 to 170
Tensile Strength: Ultimate (UTS), MPa 340 to 430
190 to 280
Tensile Strength: Yield (Proof), MPa 120 to 180
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 910
650
Melting Onset (Solidus), °C 890
600
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
180 to 190
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 29
150 to 170

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
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
100 to 550
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
51
Strength to Weight: Axial, points 12 to 15
20 to 29
Strength to Weight: Bending, points 13 to 16
28 to 35
Thermal Diffusivity, mm2/s 37
72 to 79
Thermal Shock Resistance, points 11 to 14
8.6 to 12

Alloy Composition

Aluminum (Al), % 0
97.2 to 99
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 62 to 65
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.35
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
0.6 to 1.0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 32 to 36.5
0 to 0.1
Residuals, % 0
0 to 0.15