Grade 15 Babbitt Metal vs. SAE-AISI A9 Steel

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI A9 steel belongs to the iron alloys. There are 15 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 15 Babbitt Metal and the bottom bar is SAE-AISI A9 steel.

Grade 15 (L53620) Lead-Base Babbitt Metal SAE-AISI A9 (T30109) Air-Hardening Steel

Metric UnitsUS Customary Units

Mechanical Properties

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		74

Thermal Properties

Latent Heat of Fusion, J/g		46
Latent Heat of Fusion, J/g		280

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

Melting Onset (Solidus), °C		250
Melting Onset (Solidus), °C		1410

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		12

Otherwise Unclassified Properties

Base Metal Price, % relative		17
Base Metal Price, % relative		7.0

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

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		4.7

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		70

Embodied Water, L/kg		840
Embodied Water, L/kg		82

Common Calculations

Stiffness to Weight: Axial, points		1.2
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		9.0
Stiffness to Weight: Bending, points		25

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), %		0.45 to 0.55

Chromium (Cr), %		0
Chromium (Cr), %		4.8 to 5.5

Copper (Cu), %		0 to 0.6
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0 to 0.1
Iron (Fe), %		87 to 90.5

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

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		1.3 to 1.8

Nickel (Ni), %		0
Nickel (Ni), %		1.3 to 1.8

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

Silicon (Si), %		0
Silicon (Si), %		1.0 to 1.2

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

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

Vanadium (V), %		0
Vanadium (V), %		0.8 to 1.4

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