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7049 Aluminum vs. Grade 3 Babbitt Metal

7049 aluminum belongs to the aluminum alloys classification, while grade 3 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 7049 aluminum and the bottom bar is grade 3 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
27
Elastic (Young's, Tensile) Modulus, GPa 70
56
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 27
21
Tensile Strength: Yield (Proof), MPa 420 to 450
46

Thermal Properties

Latent Heat of Fusion, J/g 370
79
Melting Completion (Liquidus), °C 640
420
Melting Onset (Solidus), °C 480
240
Specific Heat Capacity, J/kg-K 860
230
Thermal Expansion, µm/m-K 23
21

Otherwise Unclassified Properties

Base Metal Price, % relative 10
70
Density, g/cm3 3.1
7.4
Embodied Carbon, kg CO2/kg material 8.1
12
Embodied Energy, MJ/kg 140
200
Embodied Water, L/kg 1110
1210

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
19
Stiffness to Weight: Axial, points 13
4.2
Stiffness to Weight: Bending, points 45
17

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0 to 0.0050
Antimony (Sb), % 0
7.5 to 8.5
Arsenic (As), % 0
0 to 0.1
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.050
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
7.5 to 8.5
Iron (Fe), % 0 to 0.35
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0
82.3 to 85
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0 to 0.0050
Residuals, % 0 to 0.15
0