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C66200 Brass vs. 5251 Aluminum

C66200 brass belongs to the copper alloys classification, while 5251 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C66200 brass and the bottom bar is 5251 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 8.0 to 15
2.0 to 19
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Shear Strength, MPa 270 to 300
110 to 160
Tensile Strength: Ultimate (UTS), MPa 450 to 520
180 to 280
Tensile Strength: Yield (Proof), MPa 410 to 480
67 to 250

Thermal Properties

Latent Heat of Fusion, J/g 200
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 1070
650
Melting Onset (Solidus), °C 1030
610
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
37
Electrical Conductivity: Equal Weight (Specific), % IACS 36
120

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.5
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 66
5.4 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 760 to 1030
33 to 450
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 14 to 17
18 to 29
Strength to Weight: Bending, points 15 to 16
26 to 35
Thermal Diffusivity, mm2/s 45
61
Thermal Shock Resistance, points 16 to 18
7.9 to 13

Alloy Composition

Aluminum (Al), % 0
95.5 to 98.2
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 86.6 to 91
0 to 0.15
Iron (Fe), % 0 to 0.050
0 to 0.5
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
1.7 to 2.4
Manganese (Mn), % 0
0.1 to 0.5
Nickel (Ni), % 0.3 to 1.0
0
Phosphorus (P), % 0.050 to 0.2
0
Silicon (Si), % 0
0 to 0.4
Tin (Sn), % 0.2 to 0.7
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 6.5 to 12.9
0 to 0.15
Residuals, % 0
0 to 0.15