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5154 Aluminum vs. C68000 Brass

5154 aluminum belongs to the aluminum alloys classification, while C68000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 5154 aluminum and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 3.4 to 20
27
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 240 to 360
390
Tensile Strength: Yield (Proof), MPa 94 to 270
140

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 640
880
Melting Onset (Solidus), °C 590
870
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
96
Thermal Expansion, µm/m-K 24
21

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.8
2.8
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 39
82
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 540
95
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 51
20
Strength to Weight: Axial, points 25 to 37
14
Strength to Weight: Bending, points 32 to 42
15
Thermal Diffusivity, mm2/s 52
31
Thermal Shock Resistance, points 10 to 16
13

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
0 to 0.010
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.1
56 to 60
Iron (Fe), % 0 to 0.4
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.1
0.010 to 0.5
Nickel (Ni), % 0
0.2 to 0.8
Silicon (Si), % 0 to 0.25
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
35.6 to 42.8
Residuals, % 0
0 to 0.5