Grade 7 Babbitt Metal vs. SAE-AISI H25 Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI H25 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 H25 steel.

Grade 7 (L53585) Lead-Base Babbitt Metal SAE-AISI H25 (T20825) Tungsten Hot-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		26
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.4
Poisson's Ratio		0.29

Shear Modulus, GPa		9.1
Shear Modulus, GPa		79

Thermal Properties

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

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		1750

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1700

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		420

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		38

Density, g/cm³		10
Density, g/cm³		9.1

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		93

Embodied Water, L/kg		880
Embodied Water, L/kg		83

Common Calculations

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		9.6
Stiffness to Weight: Bending, points		22

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), %		0.22 to 0.32

Chromium (Cr), %		0
Chromium (Cr), %		3.8 to 4.5

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

Iron (Fe), %		0 to 0.1
Iron (Fe), %		77.2 to 81.3

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

Manganese (Mn), %		0
Manganese (Mn), %		0.15 to 0.4

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

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

Silicon (Si), %		0
Silicon (Si), %		0.15 to 0.4

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

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

Tungsten (W), %		0
Tungsten (W), %		14 to 16

Vanadium (V), %		0
Vanadium (V), %		0.4 to 0.6

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