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5051A Aluminum vs. C69700 Brass

5051A aluminum belongs to the aluminum alloys classification, while C69700 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 5051A aluminum and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 18 to 21
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 110
300
Tensile Strength: Ultimate (UTS), MPa 170
470
Tensile Strength: Yield (Proof), MPa 56
230

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 610
880
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 150
43
Thermal Expansion, µm/m-K 23
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.5
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
99
Resilience: Unit (Modulus of Resilience), kJ/m3 23
250
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 17 to 18
16
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 63
13
Thermal Shock Resistance, points 7.6
16

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.050
75 to 80
Iron (Fe), % 0 to 0.45
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Magnesium (Mg), % 1.4 to 2.1
0
Manganese (Mn), % 0 to 0.25
0 to 0.4
Silicon (Si), % 0 to 0.3
2.5 to 3.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
13.9 to 22
Residuals, % 0
0 to 0.5