Grade 15 Babbitt Metal vs. SAE-AISI 8625 Steel

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 8625 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 15 Babbitt Metal and the bottom bar is SAE-AISI 8625 steel.

Grade 15 (L53620) Lead-Base Babbitt Metal SAE-AISI 8625 (G86250) Ni-Cr-Mo Steel

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		21
Brinell Hardness		150

Elastic (Young's, Tensile) Modulus, GPa		23
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.4
Poisson's Ratio		0.29

Shear Modulus, GPa		8.2
Shear Modulus, GPa		73

Thermal Properties

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

Melting Completion (Liquidus), °C		280
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		250
Melting Onset (Solidus), °C		1420

Specific Heat Capacity, J/kg-K		140
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		17
Base Metal Price, % relative		2.6

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

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		1.5

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		20

Embodied Water, L/kg		840
Embodied Water, L/kg		50

Common Calculations

Stiffness to Weight: Axial, points		1.2
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		9.0
Stiffness to Weight: Bending, points		24

Alloy Composition

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

Antimony (Sb), %		14.5 to 17.5
Antimony (Sb), %		0

Arsenic (As), %		0.8 to 1.4
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), %		0.23 to 0.28

Chromium (Cr), %		0
Chromium (Cr), %		0.4 to 0.6

Copper (Cu), %		0 to 0.6
Copper (Cu), %		0

Iron (Fe), %		0 to 0.1
Iron (Fe), %		96.8 to 98

Lead (Pb), %		79 to 83.9
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0.7 to 0.9

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.15 to 0.25

Nickel (Ni), %		0
Nickel (Ni), %		0.4 to 0.7

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.035

Silicon (Si), %		0
Silicon (Si), %		0.15 to 0.35

Sulfur (S), %		0
Sulfur (S), %		0 to 0.040

Tin (Sn), %		0.8 to 1.2
Tin (Sn), %		0

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