Grade 8 Babbitt Metal vs. C47000 Brass

Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while C47000 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 8 Babbitt Metal and the bottom bar is C47000 brass.

Grade 8 (L53565) Lead-Base Babbitt Metal UNS C47000 (RBCuZn-A) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		24
Elastic (Young's, Tensile) Modulus, GPa		100

Poisson's Ratio		0.41
Poisson's Ratio		0.3

Shear Modulus, GPa		8.5
Shear Modulus, GPa		40

Tensile Strength: Yield (Proof), MPa		23
Tensile Strength: Yield (Proof), MPa		150

Thermal Properties

Latent Heat of Fusion, J/g		46
Latent Heat of Fusion, J/g		170

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		900

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		890

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		24
Thermal Conductivity, W/m-K		120

Thermal Expansion, µm/m-K		24
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		19
Base Metal Price, % relative		23

Density, g/cm³		10
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		3.9
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		53
Embodied Energy, MJ/kg		47

Embodied Water, L/kg		840
Embodied Water, L/kg		330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		11
Resilience: Unit (Modulus of Resilience), kJ/m³		100

Stiffness to Weight: Axial, points		1.3
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		9.2
Stiffness to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		16
Thermal Diffusivity, mm²/s		38

Alloy Composition

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Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		0 to 0.010

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

Copper (Cu), %		0 to 0.5
Copper (Cu), %		57 to 61

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

Lead (Pb), %		77.1 to 81.2
Lead (Pb), %		0 to 0.050

Tin (Sn), %		4.5 to 5.5
Tin (Sn), %		0.25 to 1.0

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		37.5 to 42.8

Residuals, %		0
Residuals, %		0 to 0.4