AISI 440B Stainless Steel vs. Grade 2 Babbitt Metal

AISI 440B stainless steel belongs to the iron alloys classification, while grade 2 Babbitt Metal belongs to the otherwise unclassified metals. 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 AISI 440B stainless steel and the bottom bar is grade 2 Babbitt Metal.

AISI 440B (S44003) Stainless Steel Grade 2 (L13890) Tin-Base Babbitt Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		53

Poisson's Ratio		0.28
Poisson's Ratio		0.35

Shear Modulus, GPa		77
Shear Modulus, GPa		19

Tensile Strength: Yield (Proof), MPa		430 to 1860
Tensile Strength: Yield (Proof), MPa		42

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		72

Melting Completion (Liquidus), °C		1480
Melting Completion (Liquidus), °C		350

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		240

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		230

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		9.0
Base Metal Price, % relative		70

Density, g/cm³		7.7
Density, g/cm³		7.3

Embodied Carbon, kg CO₂/kg material		2.2
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		31
Embodied Energy, MJ/kg		200

Embodied Water, L/kg		120
Embodied Water, L/kg		1240

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		4.0

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		17

Alloy Composition

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

Antimony (Sb), %		0
Antimony (Sb), %		7.0 to 8.0

Arsenic (As), %		0
Arsenic (As), %		0 to 0.1

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.080

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.050

Carbon (C), %		0.75 to 1.0
Carbon (C), %		0

Chromium (Cr), %		16 to 18
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		3.0 to 4.0

Iron (Fe), %		78.2 to 83.3
Iron (Fe), %		0 to 0.080

Lead (Pb), %		0
Lead (Pb), %		0 to 0.35

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0

Molybdenum (Mo), %		0 to 0.75
Molybdenum (Mo), %		0

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

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

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

Tin (Sn), %		0
Tin (Sn), %		87.3 to 90

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