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1085 Aluminum vs. C46200 Brass

1085 aluminum belongs to the aluminum alloys classification, while C46200 brass belongs to the copper alloys. There are 27 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 1085 aluminum and the bottom bar is C46200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 4.5 to 39
17 to 34
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 48 to 79
240 to 290
Tensile Strength: Ultimate (UTS), MPa 73 to 140
370 to 480
Tensile Strength: Yield (Proof), MPa 17 to 120
120 to 290

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
840
Melting Onset (Solidus), °C 640
800
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 230
110
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 160
46
Embodied Water, L/kg 1200
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
72 to 400
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 7.5 to 14
13 to 16
Strength to Weight: Bending, points 14 to 22
14 to 17
Thermal Diffusivity, mm2/s 94
35
Thermal Shock Resistance, points 3.3 to 6.1
12 to 16

Alloy Composition

Aluminum (Al), % 99.85 to 100
0
Copper (Cu), % 0 to 0.030
62 to 65
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0 to 0.020
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
33.3 to 37.5
Residuals, % 0
0 to 0.4