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C69700 Brass vs. A201.0 Aluminum

C69700 brass belongs to the copper alloys classification, while A201.0 aluminum belongs to the aluminum alloys. There are 26 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 C69700 brass and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 25
4.7
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 470
480
Tensile Strength: Yield (Proof), MPa 230
420

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
650
Melting Onset (Solidus), °C 880
570
Specific Heat Capacity, J/kg-K 400
880
Thermal Conductivity, W/m-K 43
120
Thermal Expansion, µm/m-K 19
23

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 8.3
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
22
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1250
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 16
44
Strength to Weight: Bending, points 16
45
Thermal Diffusivity, mm2/s 13
46
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 0
93.7 to 95.5
Copper (Cu), % 75 to 80
4.0 to 5.0
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
0
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 0.4
0.2 to 0.4
Silicon (Si), % 2.5 to 3.5
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.35
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0
0 to 0.1