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AWS BVAu-2 vs. Grade 7 Babbitt Metal

Both AWS BVAu-2 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 BVAu-2 and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
26
Poisson's Ratio 0.4
0.4
Shear Modulus, GPa 36
9.1

Thermal Properties

Latent Heat of Fusion, J/g 92
48
Melting Completion (Liquidus), °C 890
270
Melting Onset (Solidus), °C 890
240
Specific Heat Capacity, J/kg-K 180
150
Thermal Expansion, µm/m-K 15
26

Otherwise Unclassified Properties

Density, g/cm3 17
10

Common Calculations

Stiffness to Weight: Axial, points 3.3
1.4
Stiffness to Weight: Bending, points 9.1
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), % 19.5 to 20.5
0 to 0.5
Gold (Au), % 79.5 to 80.5
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0020
71.9 to 76.4
Phosphorus (P), % 0 to 0.0020
0
Tin (Sn), % 0
9.3 to 10.7
Zinc (Zn), % 0 to 0.0010
0 to 0.0050