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C69700 Brass vs. 711.0 Aluminum

C69700 brass belongs to the copper alloys classification, while 711.0 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C69700 brass and the bottom bar is 711.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 25
7.8
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 470
220
Tensile Strength: Yield (Proof), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 240
380
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
640
Melting Onset (Solidus), °C 880
610
Specific Heat Capacity, J/kg-K 400
860
Thermal Conductivity, W/m-K 43
160
Thermal Expansion, µm/m-K 19
24

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.3
3.0
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
15
Resilience: Unit (Modulus of Resilience), kJ/m3 250
140
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 13
61
Thermal Shock Resistance, points 16
9.3

Alloy Composition

Aluminum (Al), % 0
89.8 to 92.7
Copper (Cu), % 75 to 80
0.35 to 0.65
Iron (Fe), % 0 to 0.2
0.7 to 1.4
Lead (Pb), % 0.5 to 1.5
0
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0 to 0.4
0 to 0.050
Silicon (Si), % 2.5 to 3.5
0 to 0.3
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 13.9 to 22
6.0 to 7.0
Residuals, % 0
0 to 0.15