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Grade 7 Babbitt Metal vs. Zamak 2

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while Zamak 2 belongs to the zinc alloys. There are 19 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 grade 7 Babbitt Metal and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
100
Compressive (Crushing) Strength, MPa 110
640
Elastic (Young's, Tensile) Modulus, GPa 26
87
Poisson's Ratio 0.4
0.26
Shear Modulus, GPa 9.1
33
Tensile Strength: Yield (Proof), MPa 25
270

Thermal Properties

Latent Heat of Fusion, J/g 48
130
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
28

Otherwise Unclassified Properties

Base Metal Price, % relative 23
12
Density, g/cm3 10
6.5
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
420
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 0.0050
Copper (Cu), % 0 to 0.5
2.5 to 3.3
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 71.9 to 76.4
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 9.3 to 10.7
0 to 0.0030
Zinc (Zn), % 0 to 0.0050
92.2 to 94