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6101A Aluminum vs. C87500 Brass

6101A 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 (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 6101A aluminum and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 11
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 220
460
Tensile Strength: Yield (Proof), MPa 190
190

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
920
Melting Onset (Solidus), °C 630
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 200
28
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 180
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1190
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
67
Resilience: Unit (Modulus of Resilience), kJ/m3 280
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 30
16
Thermal Diffusivity, mm2/s 84
8.3
Thermal Shock Resistance, points 10
17

Alloy Composition

Aluminum (Al), % 97.9 to 99.3
0 to 0.5
Copper (Cu), % 0 to 0.050
79 to 85
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 0.4 to 0.9
0
Silicon (Si), % 0.3 to 0.7
3.0 to 5.0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5