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6105 Aluminum vs. C85200 Brass

6105 aluminum belongs to the aluminum alloys classification, while C85200 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 6105 aluminum and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 9.0 to 16
28
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 190 to 280
270
Tensile Strength: Yield (Proof), MPa 120 to 270
95

Thermal Properties

Latent Heat of Fusion, J/g 410
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 650
940
Melting Onset (Solidus), °C 600
930
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 180 to 190
84
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
18
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.3
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
59
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
42
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 20 to 29
8.9
Strength to Weight: Bending, points 28 to 35
11
Thermal Diffusivity, mm2/s 72 to 79
27
Thermal Shock Resistance, points 8.6 to 12
9.3

Alloy Composition

Aluminum (Al), % 97.2 to 99
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
70 to 74
Iron (Fe), % 0 to 0.35
0 to 0.6
Lead (Pb), % 0
1.5 to 3.8
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.6 to 1.0
0 to 0.050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
20 to 27
Residuals, % 0
0 to 0.9