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6023 Aluminum vs. C47000 Brass

6023 aluminum belongs to the aluminum alloys classification, while C47000 brass belongs to the copper alloys. There are 26 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 6023 aluminum and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 11
36
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 360
380
Tensile Strength: Yield (Proof), MPa 300 to 310
150

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 580
890
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 23
21

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 2.8
8.0
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
110
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
100
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 35 to 36
13
Strength to Weight: Bending, points 40
15
Thermal Diffusivity, mm2/s 67
38
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 94 to 97.7
0 to 0.010
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
57 to 61
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0
Silicon (Si), % 0.6 to 1.4
0
Tin (Sn), % 0.6 to 1.2
0.25 to 1.0
Zinc (Zn), % 0
37.5 to 42.8
Residuals, % 0
0 to 0.4