Grade 7 Babbitt Metal vs. C18400 Copper

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while C18400 copper belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is C18400 copper.

Grade 7 (L53585) Lead-Base Babbitt Metal UNS C18400 Chromium Copper

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		110 to 480

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		1080

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1070

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

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

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		31

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

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		41

Embodied Water, L/kg		880
Embodied Water, L/kg		310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		12
Resilience: Unit (Modulus of Resilience), kJ/m³		54 to 980

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		9.6
Stiffness to Weight: Bending, points		18

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 to 0.0050

Bismuth (Bi), %		0 to 0.1
Bismuth (Bi), %		0

Cadmium (Cd), %		0 to 0.050
Cadmium (Cd), %		0

Calcium (Ca), %		0
Calcium (Ca), %		0 to 0.0050

Chromium (Cr), %		0
Chromium (Cr), %		0.4 to 1.2

Copper (Cu), %		0 to 0.5
Copper (Cu), %		97.2 to 99.6

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0 to 0.15

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

Lithium (Li), %		0
Lithium (Li), %		0 to 0.050

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.050

Silicon (Si), %		0
Silicon (Si), %		0 to 0.1

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

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		0 to 0.7

Residuals, %		0
Residuals, %		0 to 0.5