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ASTM B596 Au-Cu vs. Grade 2 Babbitt Metal

Both ASTM B596 Au-Cu and grade 2 Babbitt Metal are otherwise unclassified metals. There are 11 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM B596 Au-Cu and the bottom bar is grade 2 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
53
Poisson's Ratio 0.41
0.35
Shear Modulus, GPa 36
19

Thermal Properties

Latent Heat of Fusion, J/g 77
72
Melting Completion (Liquidus), °C 1060
350
Melting Onset (Solidus), °C 930
240
Specific Heat Capacity, J/kg-K 150
230
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Density, g/cm3 18
7.3

Common Calculations

Stiffness to Weight: Axial, points 3.1
4.0
Stiffness to Weight: Bending, points 8.5
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), % 9.0 to 11
3.0 to 4.0
Gold (Au), % 89 to 91
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 0.4
0