C12900 Copper vs. Grade 8 Babbitt Metal

C12900 copper belongs to the copper alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 19 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 C12900 copper and the bottom bar is grade 8 Babbitt Metal.

UNS C12900 Fire-Refined Silver-Bearing Tough Pitch Copper Grade 8 (L53565) Lead-Base Babbitt Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.34
Poisson's Ratio		0.41

Shear Modulus, GPa		43
Shear Modulus, GPa		8.5

Tensile Strength: Yield (Proof), MPa		75 to 380
Tensile Strength: Yield (Proof), MPa		23

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		46

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		270

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		240

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

Thermal Conductivity, W/m-K		380
Thermal Conductivity, W/m-K		24

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

Otherwise Unclassified Properties

Base Metal Price, % relative		32
Base Metal Price, % relative		19

Density, g/cm³		9.0
Density, g/cm³		10

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		3.9

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		53

Embodied Water, L/kg		330
Embodied Water, L/kg		840

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		24 to 640
Resilience: Unit (Modulus of Resilience), kJ/m³		11

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		1.3

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		9.2

Thermal Diffusivity, mm²/s		110
Thermal Diffusivity, mm²/s		16

Alloy Composition

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

Antimony (Sb), %		0 to 0.0030
Antimony (Sb), %		14 to 16

Arsenic (As), %		0 to 0.012
Arsenic (As), %		0.3 to 0.6

Bismuth (Bi), %		0 to 0.0030
Bismuth (Bi), %		0 to 0.1

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

Copper (Cu), %		99.88 to 100
Copper (Cu), %		0 to 0.5

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

Lead (Pb), %		0 to 0.0040
Lead (Pb), %		77.1 to 81.2

Nickel (Ni), %		0 to 0.050
Nickel (Ni), %		0

Silver (Ag), %		0 to 0.054
Silver (Ag), %		0

Tellurium (Te), %		0 to 0.025
Tellurium (Te), %		0

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

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