Grade 8 Babbitt Metal vs. Grade FDC Steel

Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while grade FDC steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

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

Grade 8 (L53565) Lead-Base Babbitt Metal Grade FDC Spring Steel

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		15
Brinell Hardness		510

Elastic (Young's, Tensile) Modulus, GPa		24
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.41
Poisson's Ratio		0.29

Shear Modulus, GPa		8.5
Shear Modulus, GPa		80

Thermal Properties

Latent Heat of Fusion, J/g		46
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		1450

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1410

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		470

Thermal Conductivity, W/m-K		24
Thermal Conductivity, W/m-K		51

Thermal Expansion, µm/m-K		24
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		19
Base Metal Price, % relative		1.9

Density, g/cm³		10
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		3.9
Embodied Carbon, kg CO₂/kg material		1.4

Embodied Energy, MJ/kg		53
Embodied Energy, MJ/kg		19

Embodied Water, L/kg		840
Embodied Water, L/kg		47

Common Calculations

Stiffness to Weight: Axial, points		1.3
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		9.2
Stiffness to Weight: Bending, points		24

Thermal Diffusivity, mm²/s		16
Thermal Diffusivity, mm²/s		14

Alloy Composition

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

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

Carbon (C), %		0
Carbon (C), %		0.6 to 0.75

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.3

Copper (Cu), %		0 to 0.5
Copper (Cu), %		0 to 0.12

Iron (Fe), %		0 to 0.1
Iron (Fe), %		98 to 99.4

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

Manganese (Mn), %		0
Manganese (Mn), %		0.5 to 1.2

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.1 to 0.35

Sulfur (S), %		0
Sulfur (S), %		0 to 0.025

Tin (Sn), %		4.5 to 5.5
Tin (Sn), %		0

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