Grade 8 Babbitt Metal vs. ZA-12

Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while ZA-12 belongs to the zinc alloys. There are 21 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 8 Babbitt Metal and the bottom bar is ZA-12.

Grade 8 (L53565) Lead-Base Babbitt Metal Zinc-Aluminum 12 (ZA-12, Z35631)

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		15
Brinell Hardness		89 to 100

Compressive (Crushing) Strength, MPa		110
Compressive (Crushing) Strength, MPa		230 to 270

Elastic (Young's, Tensile) Modulus, GPa		24
Elastic (Young's, Tensile) Modulus, GPa		83

Poisson's Ratio		0.41
Poisson's Ratio		0.26

Shear Modulus, GPa		8.5
Shear Modulus, GPa		33

Tensile Strength: Yield (Proof), MPa		23
Tensile Strength: Yield (Proof), MPa		210 to 320

Thermal Properties

Latent Heat of Fusion, J/g		46
Latent Heat of Fusion, J/g		120

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		430

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		380

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		450

Thermal Conductivity, W/m-K		24
Thermal Conductivity, W/m-K		120

Thermal Expansion, µm/m-K		24
Thermal Expansion, µm/m-K		24

Otherwise Unclassified Properties

Base Metal Price, % relative		19
Base Metal Price, % relative		11

Density, g/cm³		10
Density, g/cm³		6.0

Embodied Carbon, kg CO₂/kg material		3.9
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		53
Embodied Energy, MJ/kg		64

Embodied Water, L/kg		840
Embodied Water, L/kg		440

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		11
Resilience: Unit (Modulus of Resilience), kJ/m³		260 to 620

Stiffness to Weight: Axial, points		1.3
Stiffness to Weight: Axial, points		7.6

Stiffness to Weight: Bending, points		9.2
Stiffness to Weight: Bending, points		24

Thermal Diffusivity, mm²/s		16
Thermal Diffusivity, mm²/s		43

Alloy Composition

Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		10.5 to 11.5

Antimony (Sb), %		14 to 16
Antimony (Sb), %		0

Arsenic (As), %		0.3 to 0.6
Arsenic (As), %		0

Bismuth (Bi), %		0 to 0.1
Bismuth (Bi), %		0

Cadmium (Cd), %		0 to 0.050
Cadmium (Cd), %		0 to 0.0060

Copper (Cu), %		0 to 0.5
Copper (Cu), %		0.5 to 1.2

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0 to 0.075

Lead (Pb), %		77.1 to 81.2
Lead (Pb), %		0 to 0.0060

Magnesium (Mg), %		0
Magnesium (Mg), %		0.015 to 0.030

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.020

Silicon (Si), %		0
Silicon (Si), %		0 to 0.060

Tin (Sn), %		4.5 to 5.5
Tin (Sn), %		0 to 0.0030

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		87.1 to 89