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5070 Aluminum vs. C66300 Brass

5070 aluminum belongs to the aluminum alloys classification, while C66300 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C66300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 20
2.3 to 22
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 190
290 to 470
Tensile Strength: Ultimate (UTS), MPa 300
460 to 810
Tensile Strength: Yield (Proof), MPa 140
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 550
1000
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
25
Electrical Conductivity: Equal Weight (Specific), % IACS 100
26

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.7
8.6
Embodied Carbon, kg CO2/kg material 8.8
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1170
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
17 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 150
710 to 2850
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 31
15 to 26
Strength to Weight: Bending, points 37
15 to 22
Thermal Diffusivity, mm2/s 53
32
Thermal Shock Resistance, points 14
16 to 28

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
0
Chromium (Cr), % 0 to 0.3
0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0 to 0.25
84.5 to 87.5
Iron (Fe), % 0 to 0.4
1.4 to 2.4
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0
Phosphorus (P), % 0
0 to 0.35
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0
1.5 to 3.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
6.0 to 12.8
Residuals, % 0
0 to 0.5