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3005 Aluminum vs. C87500 Brass

3005 aluminum belongs to the aluminum alloys classification, while C87500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 3005 aluminum and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 16
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 140 to 270
460
Tensile Strength: Yield (Proof), MPa 51 to 240
190

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 660
920
Melting Onset (Solidus), °C 640
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 160
28
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.8
8.3
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2 to 18
67
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 390
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 14 to 27
16
Strength to Weight: Bending, points 21 to 33
16
Thermal Diffusivity, mm2/s 64
8.3
Thermal Shock Resistance, points 6.0 to 12
17

Alloy Composition

Aluminum (Al), % 95.7 to 98.8
0 to 0.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.3
79 to 85
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.6
3.0 to 5.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
12 to 16
Residuals, % 0
0 to 0.5