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AWS BVAg-32 vs. Grade 7 Babbitt Metal

Both AWS BVAg-32 and grade 7 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-32 and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
26
Poisson's Ratio 0.37
0.4
Shear Modulus, GPa 34
9.1

Thermal Properties

Latent Heat of Fusion, J/g 140
48
Melting Completion (Liquidus), °C 950
270
Melting Onset (Solidus), °C 900
240
Specific Heat Capacity, J/kg-K 270
150
Thermal Expansion, µm/m-K 17
26

Otherwise Unclassified Properties

Density, g/cm3 11
10

Common Calculations

Stiffness to Weight: Axial, points 4.9
1.4
Stiffness to Weight: Bending, points 14
9.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
14 to 16
Arsenic (As), % 0
0.3 to 0.6
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), % 20 to 22
0 to 0.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0020
71.9 to 76.4
Palladium (Pd), % 23 to 27
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 53 to 55
0
Tin (Sn), % 0
9.3 to 10.7
Zinc (Zn), % 0 to 0.0010
0 to 0.0050