SAE-AISI 5140 Steel vs. Grade 7 Babbitt Metal

SAE-AISI 5140 steel belongs to the iron alloys classification, while grade 7 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 5140 steel and the bottom bar is grade 7 Babbitt Metal.

SAE-AISI 5140 (SCr440, G51400) Chromium Steel Grade 7 (L53585) Lead-Base Babbitt Metal

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		170 to 290
Brinell Hardness		23

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		26

Poisson's Ratio		0.29
Poisson's Ratio		0.4

Shear Modulus, GPa		73
Shear Modulus, GPa		9.1

Tensile Strength: Yield (Proof), MPa		290 to 840
Tensile Strength: Yield (Proof), MPa		25

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		48

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		270

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

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		150

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		26

Otherwise Unclassified Properties

Base Metal Price, % relative		2.1
Base Metal Price, % relative		23

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

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		4.4

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		62

Embodied Water, L/kg		49
Embodied Water, L/kg		880

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		220 to 1880
Resilience: Unit (Modulus of Resilience), kJ/m³		12

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		1.4

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		9.6

Alloy Composition

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

Antimony (Sb), %		0
Antimony (Sb), %		14 to 16

Arsenic (As), %		0
Arsenic (As), %		0.3 to 0.6

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.1

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

Carbon (C), %		0.38 to 0.43
Carbon (C), %		0

Chromium (Cr), %		0.7 to 0.9
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		0 to 0.5

Iron (Fe), %		97.3 to 98.1
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0
Lead (Pb), %		71.9 to 76.4

Manganese (Mn), %		0.7 to 0.9
Manganese (Mn), %		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), %		9.3 to 10.7

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