Grade 7 Babbitt Metal vs. C91700 Bronze

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while C91700 bronze belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is C91700 bronze.

Grade 7 (L53585) Lead-Base Babbitt Metal UNS C91700 Nickel Gear Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		23
Brinell Hardness		90

Elastic (Young's, Tensile) Modulus, GPa		26
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.4
Poisson's Ratio		0.34

Shear Modulus, GPa		9.1
Shear Modulus, GPa		41

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		170

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		190

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		1020

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		850

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		370

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

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

Density, g/cm³		10
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		3.9

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		63

Embodied Water, L/kg		880
Embodied Water, L/kg		400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		12
Resilience: Unit (Modulus of Resilience), kJ/m³		140

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		6.9

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

Alloy Composition

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

Antimony (Sb), %		14 to 16
Antimony (Sb), %		0 to 0.2

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), %		84.2 to 87.5

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0 to 0.2

Lead (Pb), %		71.9 to 76.4
Lead (Pb), %		0 to 0.25

Nickel (Ni), %		0
Nickel (Ni), %		1.2 to 2.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.3

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

Sulfur (S), %		0
Sulfur (S), %		0 to 0.050

Tin (Sn), %		9.3 to 10.7
Tin (Sn), %		11.3 to 12.5

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		0 to 0.25