Grade 7 Babbitt Metal vs. ASTM Grade HN Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while ASTM grade HN steel belongs to the iron alloys. There are 16 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 7 Babbitt Metal and the bottom bar is ASTM grade HN steel.

Grade 7 (L53585) Lead-Base Babbitt Metal ASTM Grade HN (20Cr-25Ni, J94213) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		23
Brinell Hardness		140

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

Poisson's Ratio		0.4
Poisson's Ratio		0.28

Shear Modulus, GPa		9.1
Shear Modulus, GPa		77

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		1400

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1350

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		16

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		26

Density, g/cm³		10
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		4.6

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		66

Embodied Water, L/kg		880
Embodied Water, L/kg		180

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), %		0.2 to 0.5

Chromium (Cr), %		0
Chromium (Cr), %		19 to 23

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

Iron (Fe), %		0 to 0.1
Iron (Fe), %		44.9 to 57.8

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		0
Nickel (Ni), %		23 to 27

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 2.0

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

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

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