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5070 Aluminum vs. C44400 Brass

5070 aluminum belongs to the aluminum alloys classification, while C44400 brass belongs to the copper 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 5070 aluminum and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 300
350
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 640
940
Melting Onset (Solidus), °C 550
900
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
25
Electrical Conductivity: Equal Weight (Specific), % IACS 100
27

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.8
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1170
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
65
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 31
12
Strength to Weight: Bending, points 37
13
Thermal Diffusivity, mm2/s 53
35
Thermal Shock Resistance, points 14
12

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0
Antimony (Sb), % 0
0.020 to 0.1
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
70 to 73
Iron (Fe), % 0 to 0.4
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0
0.9 to 1.2
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
25.2 to 29.1
Residuals, % 0 to 0.15
0 to 0.4