Grade 7 Babbitt Metal vs. C82500 Copper

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while C82500 copper belongs to the copper alloys. There are 16 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 C82500 copper.

Grade 7 (L53585) Lead-Base Babbitt Metal UNS C82500 (Alloy 20C) Beryllium 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		0.33

Shear Modulus, GPa		9.1
Shear Modulus, GPa		45

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		310 to 980

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		240

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		980

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		860

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

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

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		10

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		160

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		400 to 4000

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		7.7

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

Alloy Composition

Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		0 to 0.15

Antimony (Sb), %		14 to 16
Antimony (Sb), %		0

Arsenic (As), %		0.3 to 0.6
Arsenic (As), %		0

Beryllium (Be), %		0
Beryllium (Be), %		1.9 to 2.3

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

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

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.1

Cobalt (Co), %		0
Cobalt (Co), %		0.15 to 0.7

Copper (Cu), %		0 to 0.5
Copper (Cu), %		95.3 to 97.8

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0 to 0.25

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

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.2

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.35

Tin (Sn), %		9.3 to 10.7
Tin (Sn), %		0 to 0.1

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.12

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		0 to 0.1

Residuals, %		0
Residuals, %		0 to 0.5