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Grade 2 Babbitt Metal vs. Type 4 Niobium

Both grade 2 Babbitt Metal and Type 4 niobium are otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 2 Babbitt Metal and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25
120
Elastic (Young's, Tensile) Modulus, GPa 53
110
Poisson's Ratio 0.35
0.4
Shear Modulus, GPa 19
38
Tensile Strength: Yield (Proof), MPa 42
140

Thermal Properties

Latent Heat of Fusion, J/g 72
310
Specific Heat Capacity, J/kg-K 230
270
Thermal Expansion, µm/m-K 21
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.6
Embodied Water, L/kg 1240
160

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 17
93
Stiffness to Weight: Axial, points 4.0
6.8
Stiffness to Weight: Bending, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 7.0 to 8.0
0
Arsenic (As), % 0 to 0.1
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 3.0 to 4.0
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.080
0 to 0.010
Lead (Pb), % 0 to 0.35
0
Molybdenum (Mo), % 0
0 to 0.050
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
98.1 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 87.3 to 90
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.0050
0
Zirconium (Zr), % 0
0.8 to 1.2