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2117 Aluminum vs. Grade 8 Babbitt Metal

2117 aluminum belongs to the aluminum alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 2117 aluminum and the bottom bar is grade 8 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
15
Elastic (Young's, Tensile) Modulus, GPa 71
24
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 27
8.5
Tensile Strength: Yield (Proof), MPa 170
23

Thermal Properties

Latent Heat of Fusion, J/g 400
46
Melting Completion (Liquidus), °C 650
270
Melting Onset (Solidus), °C 550
240
Specific Heat Capacity, J/kg-K 880
150
Thermal Conductivity, W/m-K 150
24
Thermal Expansion, µm/m-K 24
24

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 3.0
10
Embodied Carbon, kg CO2/kg material 8.2
3.9
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1150
840

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 190
11
Stiffness to Weight: Axial, points 13
1.3
Stiffness to Weight: Bending, points 47
9.2
Thermal Diffusivity, mm2/s 59
16

Alloy Composition

Aluminum (Al), % 91 to 97.6
0 to 0.0050
Antimony (Sb), % 0
14 to 16
Arsenic (As), % 0
0.3 to 0.6
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 4.5
0 to 0.5
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0
77.1 to 81.2
Magnesium (Mg), % 0.2 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0
Silicon (Si), % 0.2 to 0.8
0
Tin (Sn), % 0
4.5 to 5.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
0 to 0.0050
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0