Grade 3 Babbitt Metal vs. SAE-AISI A8 Steel

Grade 3 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI A8 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 3 Babbitt Metal and the bottom bar is SAE-AISI A8 steel.

Grade 3 (L13840) Tin-Base Babbitt Metal SAE-AISI A8 (T30108) Air-Hardening Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		56
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.35
Poisson's Ratio		0.29

Shear Modulus, GPa		21
Shear Modulus, GPa		74

Thermal Properties

Latent Heat of Fusion, J/g		79
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		420
Melting Completion (Liquidus), °C		1480

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1430

Specific Heat Capacity, J/kg-K		230
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		70
Base Metal Price, % relative		8.5

Density, g/cm³		7.4
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		12
Embodied Carbon, kg CO₂/kg material		2.3

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

Embodied Water, L/kg		1210
Embodied Water, L/kg		73

Common Calculations

Stiffness to Weight: Axial, points		4.2
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		24

Alloy Composition

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

Antimony (Sb), %		7.5 to 8.5
Antimony (Sb), %		0

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

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

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

Carbon (C), %		0
Carbon (C), %		0.5 to 0.6

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

Copper (Cu), %		7.5 to 8.5
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0 to 0.080
Iron (Fe), %		88.5 to 91.9

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

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		1.2 to 1.7

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

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

Silicon (Si), %		0
Silicon (Si), %		0.75 to 1.1

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

Tin (Sn), %		82.3 to 85
Tin (Sn), %		0

Tungsten (W), %		0
Tungsten (W), %		1.0 to 1.5

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