C91700 Bronze vs. Grade 7 Babbitt Metal

C91700 bronze belongs to the copper alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. 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 C91700 bronze and the bottom bar is grade 7 Babbitt Metal.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		90
Brinell Hardness		23

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

Poisson's Ratio		0.34
Poisson's Ratio		0.4

Shear Modulus, GPa		41
Shear Modulus, GPa		9.1

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

Thermal Properties

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

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

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

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

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

Otherwise Unclassified Properties

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

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

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

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

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

Common Calculations

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

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

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

Alloy Composition

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

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

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

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

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

Copper (Cu), %		84.2 to 87.5
Copper (Cu), %		0 to 0.5

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

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

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

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

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

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

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

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