SAE-AISI 4012 Steel vs. Grade 3 Babbitt Metal

SAE-AISI 4012 steel belongs to the iron alloys classification, while grade 3 Babbitt Metal belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4012 steel and the bottom bar is grade 3 Babbitt Metal.

SAE-AISI 4012 (G40120) Molybdenum Steel Grade 3 (L13840) Tin-Base Babbitt Metal

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		130
Brinell Hardness		27

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

Poisson's Ratio		0.29
Poisson's Ratio		0.35

Shear Modulus, GPa		73
Shear Modulus, GPa		21

Tensile Strength: Yield (Proof), MPa		220
Tensile Strength: Yield (Proof), MPa		46

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		79

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		420

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		240

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

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		2.1
Base Metal Price, % relative		70

Density, g/cm³		7.8
Density, g/cm³		7.4

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		200

Embodied Water, L/kg		47
Embodied Water, L/kg		1210

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		130
Resilience: Unit (Modulus of Resilience), kJ/m³		19

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		4.2

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

Alloy Composition

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

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

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), %		0.090 to 0.14
Carbon (C), %		0

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

Iron (Fe), %		98.2 to 98.9
Iron (Fe), %		0 to 0.080

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

Manganese (Mn), %		0.75 to 1.0
Manganese (Mn), %		0

Molybdenum (Mo), %		0.15 to 0.25
Molybdenum (Mo), %		0

Phosphorus (P), %		0 to 0.035
Phosphorus (P), %		0

Silicon (Si), %		0.15 to 0.35
Silicon (Si), %		0

Sulfur (S), %		0 to 0.040
Sulfur (S), %		0

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

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