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C68400 Brass vs. 711.0 Aluminum

C68400 brass belongs to the copper alloys classification, while 711.0 aluminum belongs to the aluminum alloys. There are 29 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 C68400 brass and the bottom bar is 711.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
70
Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 18
7.8
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 540
220
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 840
640
Melting Onset (Solidus), °C 820
610
Specific Heat Capacity, J/kg-K 400
860
Thermal Conductivity, W/m-K 66
160
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
40
Electrical Conductivity: Equal Weight (Specific), % IACS 99
120

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 320
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
15
Resilience: Unit (Modulus of Resilience), kJ/m3 460
140
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 21
61
Thermal Shock Resistance, points 18
9.3

Alloy Composition


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Aluminum (Al), % 0 to 0.5
89.8 to 92.7
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
0.35 to 0.65
Iron (Fe), % 0 to 1.0
0.7 to 1.4
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0.2 to 1.5
0 to 0.050
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0 to 0.3
Tin (Sn), % 0 to 0.5
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 28.6 to 39.3
6.0 to 7.0
Residuals, % 0 to 0.5
0 to 0.15