Grade 8 Babbitt Metal vs. C70620 Copper-nickel

Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while C70620 copper-nickel belongs to the copper alloys. There are 17 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 8 Babbitt Metal and the bottom bar is C70620 copper-nickel.

Grade 8 (L53565) Lead-Base Babbitt Metal UNS C70620 Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		24
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.41
Poisson's Ratio		0.34

Shear Modulus, GPa		8.5
Shear Modulus, GPa		46

Thermal Properties

Latent Heat of Fusion, J/g		46
Latent Heat of Fusion, J/g		220

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		1120

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1060

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		24
Thermal Conductivity, W/m-K		49

Thermal Expansion, µm/m-K		24
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		19
Base Metal Price, % relative		33

Density, g/cm³		10
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		3.9
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		53
Embodied Energy, MJ/kg		51

Embodied Water, L/kg		840
Embodied Water, L/kg		300

Common Calculations

Stiffness to Weight: Axial, points		1.3
Stiffness to Weight: Axial, points		7.7

Stiffness to Weight: Bending, points		9.2
Stiffness to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		16
Thermal Diffusivity, mm²/s		14

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 to 0.050

Copper (Cu), %		0 to 0.5
Copper (Cu), %		86.5 to 90

Iron (Fe), %		0 to 0.1
Iron (Fe), %		1.0 to 1.8

Lead (Pb), %		77.1 to 81.2
Lead (Pb), %		0 to 0.020

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

Nickel (Ni), %		0
Nickel (Ni), %		9.0 to 11

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.2

Sulfur (S), %		0
Sulfur (S), %		0 to 0.020

Tin (Sn), %		4.5 to 5.5
Tin (Sn), %		0

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		0 to 0.5

Residuals, %		0
Residuals, %		0 to 0.5