Grade 7 Babbitt Metal vs. SAE-AISI D7 Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI D7 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is SAE-AISI D7 steel.

Grade 7 (L53585) Lead-Base Babbitt Metal SAE-AISI D7 (T30407) Chromium Cold-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.4
Poisson's Ratio		0.28

Shear Modulus, GPa		9.1
Shear Modulus, GPa		73

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1400

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		480

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

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		10

Density, g/cm³		10
Density, g/cm³		7.6

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		11

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		180

Embodied Water, L/kg		880
Embodied Water, L/kg		130

Common Calculations

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		9.6
Stiffness to Weight: Bending, points		25

Alloy Composition

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

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

Arsenic (As), %		0.3 to 0.6
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), %		2.2 to 2.5

Chromium (Cr), %		0
Chromium (Cr), %		11.5 to 13.5

Copper (Cu), %		0 to 0.5
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0 to 0.1
Iron (Fe), %		76.6 to 81.9

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.6

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.7 to 1.2

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

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.6

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

Tin (Sn), %		9.3 to 10.7
Tin (Sn), %		0

Vanadium (V), %		0
Vanadium (V), %		3.8 to 4.4

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