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772.0 Aluminum vs. C23000 Brass

772.0 aluminum belongs to the aluminum alloys classification, while C23000 brass belongs to the copper alloys. There are 28 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 772.0 aluminum and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 6.3 to 8.4
2.9 to 47
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 260 to 320
280 to 590
Tensile Strength: Yield (Proof), MPa 220 to 250
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 630
1030
Melting Onset (Solidus), °C 580
990
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
37
Electrical Conductivity: Equal Weight (Specific), % IACS 110
39

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 3.0
8.6
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 25
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 430
31 to 1040
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 25 to 31
8.9 to 19
Strength to Weight: Bending, points 31 to 36
11 to 18
Thermal Diffusivity, mm2/s 58
48
Thermal Shock Resistance, points 11 to 14
9.4 to 20

Alloy Composition

Aluminum (Al), % 91.2 to 93.2
0
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
84 to 86
Iron (Fe), % 0 to 0.15
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
13.7 to 16
Residuals, % 0
0 to 0.2