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1080A Aluminum vs. Grade 7 Babbitt Metal

1080A aluminum belongs to the aluminum alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (14, 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 1080A aluminum and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
23
Elastic (Young's, Tensile) Modulus, GPa 68
26
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 26
9.1
Tensile Strength: Yield (Proof), MPa 17 to 120
25

Thermal Properties

Latent Heat of Fusion, J/g 400
48
Melting Completion (Liquidus), °C 640
270
Melting Onset (Solidus), °C 640
240
Specific Heat Capacity, J/kg-K 900
150
Thermal Expansion, µm/m-K 23
26

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
10
Embodied Carbon, kg CO2/kg material 8.3
4.4
Embodied Energy, MJ/kg 160
62
Embodied Water, L/kg 1200
880

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
12
Stiffness to Weight: Axial, points 14
1.4
Stiffness to Weight: Bending, points 50
9.6

Alloy Composition

Aluminum (Al), % 99.8 to 100
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
Copper (Cu), % 0 to 0.030
0 to 0.5
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0
9.3 to 10.7
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.060
0 to 0.0050