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6106 Aluminum vs. C84100 Brass

6106 aluminum belongs to the aluminum alloys classification, while C84100 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 6106 aluminum and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 9.1
13
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 290
230
Tensile Strength: Yield (Proof), MPa 220
81

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 660
1000
Melting Onset (Solidus), °C 610
810
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 190
110
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
23
Electrical Conductivity: Equal Weight (Specific), % IACS 160
25

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 8.3
2.9
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
24
Resilience: Unit (Modulus of Resilience), kJ/m3 370
30
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 29
7.4
Strength to Weight: Bending, points 35
9.7
Thermal Diffusivity, mm2/s 78
33
Thermal Shock Resistance, points 13
7.8

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
78 to 85
Iron (Fe), % 0 to 0.35
0 to 0.3
Lead (Pb), % 0
0.050 to 0.25
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.3 to 0.6
0 to 0.010
Tin (Sn), % 0
1.5 to 4.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
12 to 20
Residuals, % 0
0 to 0.5