Grade 15 Babbitt Metal vs. S40977 Stainless Steel

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while S40977 stainless steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is grade 15 Babbitt Metal and the bottom bar is S40977 stainless steel.

Grade 15 (L53620) Lead-Base Babbitt Metal UNS S40977 Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		21
Brinell Hardness		160

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

Poisson's Ratio		0.4
Poisson's Ratio		0.28

Shear Modulus, GPa		8.2
Shear Modulus, GPa		76

Thermal Properties

Latent Heat of Fusion, J/g		46
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		280
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		250
Melting Onset (Solidus), °C		1400

Specific Heat Capacity, J/kg-K		140
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		10

Otherwise Unclassified Properties

Base Metal Price, % relative		17
Base Metal Price, % relative		6.5

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

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		1.9

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		27

Embodied Water, L/kg		840
Embodied Water, L/kg		97

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 to 0.030

Chromium (Cr), %		0
Chromium (Cr), %		10.5 to 12.5

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

Iron (Fe), %		0 to 0.1
Iron (Fe), %		83.9 to 89.2

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.5

Nickel (Ni), %		0
Nickel (Ni), %		0.3 to 1.0

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.030

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.015

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

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