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Grade 7 Babbitt Metal vs. Zamak 7

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
80
Compressive (Crushing) Strength, MPa 110
410
Elastic (Young's, Tensile) Modulus, GPa 26
86
Poisson's Ratio 0.4
0.25
Shear Modulus, GPa 9.1
33
Tensile Strength: Yield (Proof), MPa 25
250

Thermal Properties

Latent Heat of Fusion, J/g 48
120
Melting Completion (Liquidus), °C 270
390
Melting Onset (Solidus), °C 240
380
Specific Heat Capacity, J/kg-K 150
410
Thermal Expansion, µm/m-K 26
27

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 10
6.4
Embodied Carbon, kg CO2/kg material 4.4
3.0
Embodied Energy, MJ/kg 62
57
Embodied Water, L/kg 880
380

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 12
370
Stiffness to Weight: Axial, points 1.4
7.5
Stiffness to Weight: Bending, points 9.6
23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
3.5 to 4.3
Antimony (Sb), % 14 to 16
0
Arsenic (As), % 0.3 to 0.6
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0 to 0.0020
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 0.1
0 to 0.075
Lead (Pb), % 71.9 to 76.4
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0
0.0050 to 0.020
Tin (Sn), % 9.3 to 10.7
0 to 0.0010
Zinc (Zn), % 0 to 0.0050
95.3 to 96.5