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C69700 Brass vs. A444.0 Aluminum

C69700 brass belongs to the copper alloys classification, while A444.0 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 A444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 25
18
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 470
160
Tensile Strength: Yield (Proof), MPa 230
66

Thermal Properties

Latent Heat of Fusion, J/g 240
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
630
Melting Onset (Solidus), °C 880
590
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 43
160
Thermal Expansion, µm/m-K 19
22

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.3
2.6
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
24
Resilience: Unit (Modulus of Resilience), kJ/m3 250
31
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 13
68
Thermal Shock Resistance, points 16
7.3

Alloy Composition

Aluminum (Al), % 0
91.6 to 93.5
Copper (Cu), % 75 to 80
0 to 0.1
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0.5 to 1.5
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.4
0 to 0.1
Silicon (Si), % 2.5 to 3.5
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 13.9 to 22
0 to 0.1
Residuals, % 0
0 to 0.15