Grade 2 Babbitt Metal vs. ZA-27

Grade 2 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 2 Babbitt Metal and the bottom bar is ZA-27.

Grade 2 (L13890) Tin-Base Babbitt Metal Zinc-Aluminum 27 (ZA-27, Z35841)

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		25
Brinell Hardness		100 to 120

Compressive (Crushing) Strength, MPa		100
Compressive (Crushing) Strength, MPa		260 to 370

Elastic (Young's, Tensile) Modulus, GPa		53
Elastic (Young's, Tensile) Modulus, GPa		78

Poisson's Ratio		0.35
Poisson's Ratio		0.27

Shear Modulus, GPa		19
Shear Modulus, GPa		31

Tensile Strength: Yield (Proof), MPa		42
Tensile Strength: Yield (Proof), MPa		260 to 370

Thermal Properties

Latent Heat of Fusion, J/g		72
Latent Heat of Fusion, J/g		130

Melting Completion (Liquidus), °C		350
Melting Completion (Liquidus), °C		480

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

Specific Heat Capacity, J/kg-K		230
Specific Heat Capacity, J/kg-K		530

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		26

Otherwise Unclassified Properties

Base Metal Price, % relative		70
Base Metal Price, % relative		11

Density, g/cm³		7.3
Density, g/cm³		5.0

Embodied Carbon, kg CO₂/kg material		12
Embodied Carbon, kg CO₂/kg material		4.2

Embodied Energy, MJ/kg		200
Embodied Energy, MJ/kg		80

Embodied Water, L/kg		1240
Embodied Water, L/kg		570

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		17
Resilience: Unit (Modulus of Resilience), kJ/m³		420 to 890

Stiffness to Weight: Axial, points		4.0
Stiffness to Weight: Axial, points		8.6

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		28

Alloy Composition

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

Antimony (Sb), %		7.0 to 8.0
Antimony (Sb), %		0

Arsenic (As), %		0 to 0.1
Arsenic (As), %		0

Bismuth (Bi), %		0 to 0.080
Bismuth (Bi), %		0

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

Copper (Cu), %		3.0 to 4.0
Copper (Cu), %		2.0 to 2.5

Iron (Fe), %		0 to 0.080
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0 to 0.35
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), %		87.3 to 90
Tin (Sn), %		0 to 0.0030

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