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Grade 15 Babbitt Metal vs. Zamak 7

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. There are 16 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is grade 15 Babbitt Metal and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 21
80
Elastic (Young's, Tensile) Modulus, GPa 23
86
Poisson's Ratio 0.4
0.25
Shear Modulus, GPa 8.2
33

Thermal Properties

Latent Heat of Fusion, J/g 46
120
Melting Completion (Liquidus), °C 280
390
Melting Onset (Solidus), °C 250
380
Specific Heat Capacity, J/kg-K 140
410
Thermal Expansion, µm/m-K 26
27

Otherwise Unclassified Properties

Base Metal Price, % relative 17
11
Density, g/cm3 10
6.4
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 840
380

Common Calculations

Stiffness to Weight: Axial, points 1.2
7.5
Stiffness to Weight: Bending, points 9.0
23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
3.5 to 4.3
Antimony (Sb), % 14.5 to 17.5
0
Arsenic (As), % 0.8 to 1.4
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0 to 0.0020
Copper (Cu), % 0 to 0.6
0 to 0.25
Iron (Fe), % 0 to 0.1
0 to 0.075
Lead (Pb), % 79 to 83.9
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0
0.0050 to 0.020
Tin (Sn), % 0.8 to 1.2
0 to 0.0010
Zinc (Zn), % 0 to 0.0050
95.3 to 96.5