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Grade 18 Titanium vs. Grade 7 Babbitt Metal

Grade 18 titanium belongs to the titanium alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (17, 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 18 titanium and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
26
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 40
9.1
Tensile Strength: Yield (Proof), MPa 540 to 810
25

Thermal Properties

Latent Heat of Fusion, J/g 410
48
Melting Completion (Liquidus), °C 1640
270
Melting Onset (Solidus), °C 1590
240
Specific Heat Capacity, J/kg-K 550
150
Thermal Expansion, µm/m-K 9.9
26

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3110
12
Stiffness to Weight: Axial, points 13
1.4
Stiffness to Weight: Bending, points 35
9.6

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
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
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Tin (Sn), % 0
9.3 to 10.7
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.0050
Residuals, % 0 to 0.4
0