Grade 7 Babbitt Metal vs. C87900 Brass

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while C87900 brass belongs to the copper alloys. There are 17 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 C87900 brass.

Grade 7 (L53585) Lead-Base Babbitt Metal UNS C87900 Silicon Brass

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.4
Poisson's Ratio		0.31

Shear Modulus, GPa		9.1
Shear Modulus, GPa		41

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		240

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		930

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		900

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		20

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		24

Density, g/cm³		10
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		46

Embodied Water, L/kg		880
Embodied Water, L/kg		320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		12
Resilience: Unit (Modulus of Resilience), kJ/m³		270

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		20

Alloy Composition

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

Antimony (Sb), %		14 to 16
Antimony (Sb), %		0 to 0.050

Arsenic (As), %		0.3 to 0.6
Arsenic (As), %		0 to 0.050

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), %		63 to 69.2

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0 to 0.4

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.15

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.5

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0
Silicon (Si), %		0.8 to 1.2

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

Tin (Sn), %		9.3 to 10.7
Tin (Sn), %		0 to 0.25

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		30 to 36