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ASTM B780 Alloy vs. Grade 1 Babbitt Metal

Both ASTM B780 alloy and grade 1 Babbitt Metal are otherwise unclassified metals. There are 12 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is ASTM B780 alloy and the bottom bar is grade 1 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
53
Elongation at Break, % 1.1 to 9.1
34
Poisson's Ratio 0.36
0.35
Shear Modulus, GPa 30
20

Thermal Properties

Latent Heat of Fusion, J/g 140
70
Specific Heat Capacity, J/kg-K 270
230
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70 to 76
13
Electrical Conductivity: Equal Weight (Specific), % IACS 62 to 68
16

Otherwise Unclassified Properties

Density, g/cm3 10
7.3

Common Calculations

Stiffness to Weight: Axial, points 4.5
4.0
Stiffness to Weight: Bending, points 14
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 to 0.050
0 to 0.050
Copper (Cu), % 23.5 to 25.7
4.0 to 5.0
Iron (Fe), % 0 to 0.050
0 to 0.080
Lead (Pb), % 0 to 0.030
0 to 0.35
Nickel (Ni), % 0.35 to 0.65
0
Silver (Ag), % 74 to 76
0
Tin (Sn), % 0
89.3 to 92
Zinc (Zn), % 0 to 0.060
0 to 0.0050