ZA-8 vs. Grade 7 Babbitt Metal

ZA-8 belongs to the zinc alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. 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 ZA-8 and the bottom bar is grade 7 Babbitt Metal.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		87 to 100
Brinell Hardness		23

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

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

Poisson's Ratio		0.26
Poisson's Ratio		0.4

Shear Modulus, GPa		34
Shear Modulus, GPa		9.1

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

Thermal Properties

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

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

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

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

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

Otherwise Unclassified Properties

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

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

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

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

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

Common Calculations

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

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

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

Alloy Composition

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

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

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

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

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

Copper (Cu), %		0.8 to 1.3
Copper (Cu), %		0 to 0.5

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

Lead (Pb), %		0 to 0.0060
Lead (Pb), %		71.9 to 76.4

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

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

Silicon (Si), %		0 to 0.045
Silicon (Si), %		0

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

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