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A206.0 Aluminum vs. C68100 Brass

A206.0 aluminum belongs to the aluminum alloys classification, while C68100 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 A206.0 aluminum and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 4.2 to 10
29
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 390 to 440
380
Tensile Strength: Yield (Proof), MPa 250 to 380
140

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 670
890
Melting Onset (Solidus), °C 550
870
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
98
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
24
Electrical Conductivity: Equal Weight (Specific), % IACS 90
27

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
86
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
94
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 36 to 41
13
Strength to Weight: Bending, points 39 to 43
15
Thermal Diffusivity, mm2/s 48
32
Thermal Shock Resistance, points 17 to 19
13

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0 to 0.010
Copper (Cu), % 4.2 to 5.0
56 to 60
Iron (Fe), % 0 to 0.1
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0.010 to 0.5
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.050
0.040 to 0.15
Tin (Sn), % 0 to 0.050
0.75 to 1.1
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
36.4 to 43
Residuals, % 0
0 to 0.5