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AWS BAu-1 vs. Grade 2 Babbitt Metal

Both AWS BAu-1 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 BAu-1 and the bottom bar is grade 2 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
53
Poisson's Ratio 0.37
0.35
Shear Modulus, GPa 40
19

Thermal Properties

Latent Heat of Fusion, J/g 150
72
Melting Completion (Liquidus), °C 1020
350
Melting Onset (Solidus), °C 990
240
Specific Heat Capacity, J/kg-K 290
230
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Density, g/cm3 13
7.3

Common Calculations

Stiffness to Weight: Axial, points 4.7
4.0
Stiffness to Weight: Bending, points 12
17

Alloy Composition


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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
0 to 0.050
Copper (Cu), % 61.9 to 63
3.0 to 4.0
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Tin (Sn), % 0
87.3 to 90
Zinc (Zn), % 0
0 to 0.0050
Residuals, % 0 to 0.15
0