Grade 7 Babbitt Metal vs. Zamak 2

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while Zamak 2 belongs to the zinc alloys. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is Zamak 2.

Grade 7 (L53585) Lead-Base Babbitt Metal Zamak 2 (ASTM AC43A, Z35541, Mazak 2) Zinc Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		23
Brinell Hardness		100

Compressive (Crushing) Strength, MPa		110
Compressive (Crushing) Strength, MPa		640

Elastic (Young's, Tensile) Modulus, GPa		26
Elastic (Young's, Tensile) Modulus, GPa		87

Poisson's Ratio		0.4
Poisson's Ratio		0.26

Shear Modulus, GPa		9.1
Shear Modulus, GPa		33

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		270

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		390

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

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		28

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		12

Density, g/cm³		10
Density, g/cm³		6.5

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		3.0

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		57

Embodied Water, L/kg		880
Embodied Water, L/kg		380

Common Calculations

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

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), %		3.5 to 4.3

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 0.0050

Copper (Cu), %		0 to 0.5
Copper (Cu), %		2.5 to 3.3

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

Lead (Pb), %		71.9 to 76.4
Lead (Pb), %		0 to 0.0050

Magnesium (Mg), %		0
Magnesium (Mg), %		0.020 to 0.060

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.030

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

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		92.2 to 94