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C48600 Brass vs. 851.0 Aluminum

C48600 brass belongs to the copper alloys classification, while 851.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 C48600 brass and the bottom bar is 851.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 20 to 25
3.9 to 9.1
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
26
Tensile Strength: Ultimate (UTS), MPa 280 to 360
130 to 140

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 900
630
Melting Onset (Solidus), °C 890
360
Specific Heat Capacity, J/kg-K 380
850
Thermal Conductivity, W/m-K 110
180
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
46
Electrical Conductivity: Equal Weight (Specific), % IACS 28
140

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 8.1
3.1
Embodied Carbon, kg CO2/kg material 2.8
8.4
Embodied Energy, MJ/kg 47
160
Embodied Water, L/kg 330
1140

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 9.5 to 12
12 to 13
Strength to Weight: Bending, points 12 to 14
19 to 20
Thermal Diffusivity, mm2/s 36
69
Thermal Shock Resistance, points 9.3 to 12
6.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
86.6 to 91.5
Arsenic (As), % 0.020 to 0.25
0
Copper (Cu), % 59 to 62
0.7 to 1.3
Iron (Fe), % 0
0 to 0.7
Lead (Pb), % 1.0 to 2.5
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0.3 to 0.7
Silicon (Si), % 0
2.0 to 3.0
Tin (Sn), % 0.3 to 1.5
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 33.4 to 39.7
0
Residuals, % 0
0 to 0.3