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Grade 7 Babbitt Metal vs. Grade Ti-Pd18 Titanium

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, 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 grade 7 Babbitt Metal and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
320
Elastic (Young's, Tensile) Modulus, GPa 26
110
Poisson's Ratio 0.4
0.32
Shear Modulus, GPa 9.1
40
Tensile Strength: Yield (Proof), MPa 25
540

Thermal Properties

Latent Heat of Fusion, J/g 48
410
Melting Completion (Liquidus), °C 270
1640
Melting Onset (Solidus), °C 240
1590
Specific Heat Capacity, J/kg-K 150
550
Thermal Expansion, µm/m-K 26
9.1

Otherwise Unclassified Properties

Density, g/cm3 10
4.5
Embodied Carbon, kg CO2/kg material 4.4
41
Embodied Energy, MJ/kg 62
670
Embodied Water, L/kg 880
270

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 12
1380
Stiffness to Weight: Axial, points 1.4
13
Stiffness to Weight: Bending, points 9.6
35

Alloy Composition

Aluminum (Al), % 0 to 0.0050
2.5 to 3.5
Antimony (Sb), % 14 to 16
0
Arsenic (As), % 0.3 to 0.6
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 71.9 to 76.4
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Tin (Sn), % 9.3 to 10.7
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.0050
0
Residuals, % 0
0 to 0.4