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Grade 2 Babbitt Metal vs. AWS BVAg-31

Both grade 2 Babbitt Metal and AWS BVAg-31 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 11 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 2 Babbitt Metal and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
90
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 19
33

Thermal Properties

Latent Heat of Fusion, J/g 72
150
Melting Completion (Liquidus), °C 350
850
Melting Onset (Solidus), °C 240
820
Specific Heat Capacity, J/kg-K 230
280
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Density, g/cm3 7.3
10

Common Calculations

Stiffness to Weight: Axial, points 4.0
4.9
Stiffness to Weight: Bending, points 17
15

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 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 3.0 to 4.0
31 to 33
Iron (Fe), % 0 to 0.080
0
Lead (Pb), % 0 to 0.35
0 to 0.0020
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0
57 to 59
Tin (Sn), % 87.3 to 90
0
Zinc (Zn), % 0 to 0.0050
0 to 0.0010