Grade 7 Babbitt Metal vs. C72700 Copper-nickel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while C72700 copper-nickel belongs to the copper alloys. There are 17 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 grade 7 Babbitt Metal and the bottom bar is C72700 copper-nickel.

Grade 7 (L53585) Lead-Base Babbitt Metal UNS C72700 Tin-Bearing Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		26
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.4
Poisson's Ratio		0.34

Shear Modulus, GPa		9.1
Shear Modulus, GPa		44

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		1100

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		930

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		36

Density, g/cm³		10
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		4.0

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

Embodied Water, L/kg		880
Embodied Water, L/kg		350

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		12
Resilience: Unit (Modulus of Resilience), kJ/m³		1420 to 4770

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		9.6
Stiffness to Weight: Bending, points		19

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

Copper (Cu), %		0 to 0.5
Copper (Cu), %		82.1 to 86

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0 to 0.5

Lead (Pb), %		71.9 to 76.4
Lead (Pb), %		0 to 0.020

Magnesium (Mg), %		0
Magnesium (Mg), %		0 to 0.15

Manganese (Mn), %		0
Manganese (Mn), %		0.050 to 0.3

Nickel (Ni), %		0
Nickel (Ni), %		8.5 to 9.5

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.1

Tin (Sn), %		9.3 to 10.7
Tin (Sn), %		5.5 to 6.5

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

Residuals, %		0
Residuals, %		0 to 0.3