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AWS BVAg-31 vs. Grade 15 Babbitt Metal

Both AWS BVAg-31 and grade 15 Babbitt Metal 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 (10, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is grade 15 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
23
Poisson's Ratio 0.36
0.4
Shear Modulus, GPa 33
8.2

Thermal Properties

Latent Heat of Fusion, J/g 150
46
Melting Completion (Liquidus), °C 850
280
Melting Onset (Solidus), °C 820
250
Specific Heat Capacity, J/kg-K 280
140
Thermal Expansion, µm/m-K 18
26

Otherwise Unclassified Properties

Density, g/cm3 10
10

Common Calculations

Stiffness to Weight: Axial, points 4.9
1.2
Stiffness to Weight: Bending, points 15
9.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
14.5 to 17.5
Arsenic (As), % 0
0.8 to 1.4
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0010
0 to 0.050
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 31 to 33
0 to 0.6
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0020
79 to 83.9
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 57 to 59
0
Tin (Sn), % 0
0.8 to 1.2
Zinc (Zn), % 0 to 0.0010
0 to 0.0050