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AWS BVAg-29 vs. Grade 2 Babbitt Metal

Both AWS BVAg-29 and grade 2 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-29 and the bottom bar is grade 2 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
53
Poisson's Ratio 0.37
0.35
Shear Modulus, GPa 27
19

Thermal Properties

Latent Heat of Fusion, J/g 120
72
Melting Completion (Liquidus), °C 710
350
Melting Onset (Solidus), °C 620
240
Specific Heat Capacity, J/kg-K 270
230
Thermal Expansion, µm/m-K 20
21

Otherwise Unclassified Properties

Density, g/cm3 9.7
7.3

Common Calculations

Stiffness to Weight: Axial, points 4.2
4.0
Stiffness to Weight: Bending, points 14
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
7.0 to 8.0
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), % 22.5 to 25.5
3.0 to 4.0
Indium (In), % 14 to 15
0
Iron (Fe), % 0
0 to 0.080
Lead (Pb), % 0 to 0.0020
0 to 0.35
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 60.5 to 62.5
0
Tin (Sn), % 0
87.3 to 90
Zinc (Zn), % 0 to 0.0010
0 to 0.0050