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Sintered 6061 Aluminum vs. C87900 Brass

Sintered 6061 aluminum belongs to the aluminum alloys classification, while C87900 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 sintered 6061 aluminum and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 0.5 to 6.0
25
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 25
41
Tensile Strength: Ultimate (UTS), MPa 83 to 210
480
Tensile Strength: Yield (Proof), MPa 62 to 190
240

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 610
900
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 200
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
15
Electrical Conductivity: Equal Weight (Specific), % IACS 170
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.68 to 7.0
100
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 280
270
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 51
20
Strength to Weight: Axial, points 8.6 to 21
17
Strength to Weight: Bending, points 16 to 29
17
Thermal Diffusivity, mm2/s 81
37
Thermal Shock Resistance, points 3.8 to 9.4
16

Alloy Composition

Aluminum (Al), % 96 to 99.4
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 0 to 0.5
63 to 69.2
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0.4 to 1.2
0
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.8
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
30 to 36
Residuals, % 0 to 1.5
0