Grade 7 Babbitt Metal vs. ZA-8

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while ZA-8 belongs to the zinc alloys. There are 19 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is ZA-8.

Grade 7 (L53585) Lead-Base Babbitt Metal Zinc-Aluminum 8 (ZA-8, Z35636)

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		23
Brinell Hardness		87 to 100

Compressive (Crushing) Strength, MPa		110
Compressive (Crushing) Strength, MPa		210 to 250

Elastic (Young's, Tensile) Modulus, GPa		26
Elastic (Young's, Tensile) Modulus, GPa		85 to 86

Poisson's Ratio		0.4
Poisson's Ratio		0.26

Shear Modulus, GPa		9.1
Shear Modulus, GPa		34

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		210 to 290

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		110

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		400

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

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		23

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		11

Density, g/cm³		10
Density, g/cm³		6.3

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		3.3

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		62

Embodied Water, L/kg		880
Embodied Water, L/kg		420

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		12
Resilience: Unit (Modulus of Resilience), kJ/m³		260 to 490

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		7.5

Stiffness to Weight: Bending, points		9.6
Stiffness to Weight: Bending, points		23

Alloy Composition

Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		8.0 to 8.8

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), %		0.8 to 1.3

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

Lead (Pb), %		71.9 to 76.4
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 0.045

Tin (Sn), %		9.3 to 10.7
Tin (Sn), %		0 to 0.0030

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		89.7 to 91.2