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C34500 Brass vs. 6182 Aluminum

C34500 brass belongs to the copper alloys classification, while 6182 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 6182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 12 to 28
6.8 to 13
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 220 to 260
140 to 190
Tensile Strength: Ultimate (UTS), MPa 340 to 430
230 to 320
Tensile Strength: Yield (Proof), MPa 120 to 180
130 to 270

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 910
640
Melting Onset (Solidus), °C 890
600
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40
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
8.4
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
110 to 520
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 12 to 15
23 to 32
Strength to Weight: Bending, points 13 to 16
30 to 38
Thermal Diffusivity, mm2/s 37
65
Thermal Shock Resistance, points 11 to 14
10 to 14

Alloy Composition

Aluminum (Al), % 0
95 to 97.9
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 62 to 65
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.5
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.7 to 1.2
Manganese (Mn), % 0
0.5 to 1.0
Silicon (Si), % 0
0.9 to 1.3
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 32 to 36.5
0 to 0.2
Zirconium (Zr), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.15