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C68300 Brass vs. 8011A Aluminum

C68300 brass belongs to the copper alloys classification, while 8011A aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C68300 brass and the bottom bar is 8011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 15
1.7 to 28
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 430
100 to 180
Tensile Strength: Yield (Proof), MPa 260
34 to 170

Thermal Properties

Latent Heat of Fusion, J/g 180
400
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
650
Melting Onset (Solidus), °C 890
630
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
210
Thermal Expansion, µm/m-K 20
23

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.0
Density, g/cm3 8.0
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 340
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
3.0 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 330
8.2 to 200
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 15
11 to 18
Strength to Weight: Bending, points 16
18 to 26
Thermal Diffusivity, mm2/s 38
86
Thermal Shock Resistance, points 14
4.6 to 8.1

Alloy Composition

Aluminum (Al), % 0
97.5 to 99.1
Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 59 to 63
0 to 0.1
Iron (Fe), % 0
0.5 to 1.0
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0.3 to 1.0
0.4 to 0.8
Tin (Sn), % 0.050 to 0.2
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 34.2 to 40.4
0 to 0.1
Residuals, % 0
0 to 0.15