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C69400 Brass vs. A444.0 Aluminum

C69400 brass belongs to the copper alloys classification, while A444.0 aluminum belongs to the aluminum alloys. There are 28 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 C69400 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, % 17
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 570
160
Tensile Strength: Yield (Proof), MPa 270
66

Thermal Properties

Latent Heat of Fusion, J/g 260
500
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
630
Melting Onset (Solidus), °C 820
590
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 26
160
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
41
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
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 300
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
24
Resilience: Unit (Modulus of Resilience), kJ/m3 340
31
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 7.7
68
Thermal Shock Resistance, points 20
7.3

Alloy Composition

Aluminum (Al), % 0
91.6 to 93.5
Copper (Cu), % 80 to 83
0 to 0.1
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 3.5 to 4.5
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 11.5 to 16.5
0 to 0.1
Residuals, % 0
0 to 0.15