Grade 15 Babbitt Metal vs. AISI 446 Stainless Steel

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while AISI 446 stainless steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is grade 15 Babbitt Metal and the bottom bar is AISI 446 stainless steel.

Grade 15 (L53620) Lead-Base Babbitt Metal AISI 446 (S44600) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		21
Brinell Hardness		190

Elastic (Young's, Tensile) Modulus, GPa		23
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.4
Poisson's Ratio		0.27

Shear Modulus, GPa		8.2
Shear Modulus, GPa		79

Thermal Properties

Latent Heat of Fusion, J/g		46
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		280
Melting Completion (Liquidus), °C		1510

Melting Onset (Solidus), °C		250
Melting Onset (Solidus), °C		1430

Specific Heat Capacity, J/kg-K		140
Specific Heat Capacity, J/kg-K		490

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

Otherwise Unclassified Properties

Base Metal Price, % relative		17
Base Metal Price, % relative		12

Density, g/cm³		10
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		2.4

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		35

Embodied Water, L/kg		840
Embodied Water, L/kg		150

Common Calculations

Stiffness to Weight: Axial, points		1.2
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		9.0
Stiffness to Weight: Bending, points		26

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 0.2

Chromium (Cr), %		0
Chromium (Cr), %		23 to 27

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

Iron (Fe), %		0 to 0.1
Iron (Fe), %		69.2 to 77

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

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

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.75

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.25

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 0.030

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

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