Grade 7 Babbitt Metal vs. ZA-27

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while ZA-27 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-27.

Grade 7 (L53585) Lead-Base Babbitt Metal Zinc-Aluminum 27 (ZA-27, Z35841)

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		23
Brinell Hardness		100 to 120

Compressive (Crushing) Strength, MPa		110
Compressive (Crushing) Strength, MPa		260 to 370

Elastic (Young's, Tensile) Modulus, GPa		26
Elastic (Young's, Tensile) Modulus, GPa		78

Poisson's Ratio		0.4
Poisson's Ratio		0.27

Shear Modulus, GPa		9.1
Shear Modulus, GPa		31

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		260 to 370

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		130

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		480

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

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		530

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

Otherwise Unclassified Properties

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

Density, g/cm³		10
Density, g/cm³		5.0

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		4.2

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		80

Embodied Water, L/kg		880
Embodied Water, L/kg		570

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		12
Resilience: Unit (Modulus of Resilience), kJ/m³		420 to 890

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		8.6

Stiffness to Weight: Bending, points		9.6
Stiffness to Weight: Bending, points		28

Alloy Composition

Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		25 to 28

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), %		2.0 to 2.5

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

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

Magnesium (Mg), %		0
Magnesium (Mg), %		0.010 to 0.020

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.080

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

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		69.3 to 73