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C66200 Brass vs. 1085 Aluminum

C66200 brass belongs to the copper alloys classification, while 1085 aluminum belongs to the aluminum 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 C66200 brass and the bottom bar is 1085 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 8.0 to 15
4.5 to 39
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Shear Strength, MPa 270 to 300
48 to 79
Tensile Strength: Ultimate (UTS), MPa 450 to 520
73 to 140
Tensile Strength: Yield (Proof), MPa 410 to 480
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 200
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1070
640
Melting Onset (Solidus), °C 1030
640
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 150
230
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
61
Electrical Conductivity: Equal Weight (Specific), % IACS 36
200

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 43
160
Embodied Water, L/kg 320
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 66
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 760 to 1030
2.1 to 110
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 14 to 17
7.5 to 14
Strength to Weight: Bending, points 15 to 16
14 to 22
Thermal Diffusivity, mm2/s 45
94
Thermal Shock Resistance, points 16 to 18
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 0
99.85 to 100
Copper (Cu), % 86.6 to 91
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.050
0 to 0.12
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0
0 to 0.020
Nickel (Ni), % 0.3 to 1.0
0
Phosphorus (P), % 0.050 to 0.2
0
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0.2 to 0.7
0
Titanium (Ti), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 6.5 to 12.9
0 to 0.030
Residuals, % 0
0 to 0.010