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Grade 2 Babbitt Metal vs. AWS BAg-8a

Both grade 2 Babbitt Metal and AWS BAg-8a 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 grade 2 Babbitt Metal and the bottom bar is AWS BAg-8a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
83
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 19
31

Thermal Properties

Latent Heat of Fusion, J/g 72
140
Melting Completion (Liquidus), °C 350
770
Melting Onset (Solidus), °C 240
770
Specific Heat Capacity, J/kg-K 230
290
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Density, g/cm3 7.3
10

Common Calculations

Stiffness to Weight: Axial, points 4.0
4.6
Stiffness to Weight: Bending, points 17
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 7.0 to 8.0
0
Arsenic (As), % 0 to 0.1
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.050
0
Copper (Cu), % 3.0 to 4.0
26.4 to 28.8
Iron (Fe), % 0 to 0.080
0
Lead (Pb), % 0 to 0.35
0
Lithium (Li), % 0
0.25 to 0.5
Silver (Ag), % 0
71 to 73
Tin (Sn), % 87.3 to 90
0
Zinc (Zn), % 0 to 0.0050
0
Residuals, % 0
0 to 0.15