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AWS BVAg-31 vs. Grade 3 Babbitt Metal

Both AWS BVAg-31 and grade 3 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 (13, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is grade 3 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
56
Poisson's Ratio 0.36
0.35
Shear Modulus, GPa 33
21

Thermal Properties

Latent Heat of Fusion, J/g 150
79
Melting Completion (Liquidus), °C 850
420
Melting Onset (Solidus), °C 820
240
Specific Heat Capacity, J/kg-K 280
230
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Density, g/cm3 10
7.4

Common Calculations

Stiffness to Weight: Axial, points 4.9
4.2
Stiffness to Weight: Bending, points 15
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
7.5 to 8.5
Arsenic (As), % 0
0 to 0.1
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0 to 0.0010
0 to 0.050
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 31 to 33
7.5 to 8.5
Iron (Fe), % 0
0 to 0.080
Lead (Pb), % 0 to 0.0020
0 to 0.35
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 57 to 59
0
Tin (Sn), % 0
82.3 to 85
Zinc (Zn), % 0 to 0.0010
0 to 0.0050