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C84800 Brass vs. 6105 Aluminum

C84800 brass belongs to the copper alloys classification, while 6105 aluminum belongs to the aluminum 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 C84800 brass and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
68
Elongation at Break, % 18
9.0 to 16
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 39
26
Tensile Strength: Ultimate (UTS), MPa 230
190 to 280
Tensile Strength: Yield (Proof), MPa 100
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 180
410
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 950
650
Melting Onset (Solidus), °C 830
600
Specific Heat Capacity, J/kg-K 370
900
Thermal Conductivity, W/m-K 72
180 to 190
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 17
150 to 170

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.6
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 340
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 53
100 to 550
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
51
Strength to Weight: Axial, points 7.3
20 to 29
Strength to Weight: Bending, points 9.6
28 to 35
Thermal Diffusivity, mm2/s 23
72 to 79
Thermal Shock Resistance, points 8.2
8.6 to 12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
97.2 to 99
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 75 to 77
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.35
Lead (Pb), % 5.5 to 7.0
0
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0.6 to 1.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 13 to 17
0 to 0.1
Residuals, % 0
0 to 0.15