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AWS BAg-28 vs. Grade 1 Babbitt Metal

Both AWS BAg-28 and grade 1 Babbitt Metal are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 13 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-28 and the bottom bar is grade 1 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
53
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 33
20

Thermal Properties

Latent Heat of Fusion, J/g 140
70
Melting Completion (Liquidus), °C 710
370
Melting Onset (Solidus), °C 650
220
Specific Heat Capacity, J/kg-K 320
230
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.3
Embodied Carbon, kg CO2/kg material 40
12
Embodied Energy, MJ/kg 630
200

Common Calculations

Stiffness to Weight: Axial, points 5.6
4.0
Stiffness to Weight: Bending, points 17
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
4.0 to 5.0
Arsenic (As), % 0
0 to 0.1
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 29 to 31
4.0 to 5.0
Iron (Fe), % 0
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Silver (Ag), % 39 to 41
0
Tin (Sn), % 1.5 to 2.5
89.3 to 92
Zinc (Zn), % 26 to 30
0 to 0.0050
Residuals, % 0 to 0.15
0