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6105 Aluminum vs. C69710 Brass

6105 aluminum belongs to the aluminum alloys classification, while C69710 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 6105 aluminum and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 9.0 to 16
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 120 to 170
300
Tensile Strength: Ultimate (UTS), MPa 190 to 280
470
Tensile Strength: Yield (Proof), MPa 120 to 270
230

Thermal Properties

Latent Heat of Fusion, J/g 410
240
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 650
930
Melting Onset (Solidus), °C 600
880
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 180 to 190
40
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
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 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
99
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
250
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 20 to 29
16
Strength to Weight: Bending, points 28 to 35
16
Thermal Diffusivity, mm2/s 72 to 79
12
Thermal Shock Resistance, points 8.6 to 12
16

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Arsenic (As), % 0
0.030 to 0.060
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
75 to 80
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0 to 0.4
Silicon (Si), % 0.6 to 1.0
2.5 to 3.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
13.8 to 22
Residuals, % 0
0 to 0.5