Grade 7 Babbitt Metal vs. C49300 Brass

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while C49300 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 C49300 brass.

Grade 7 (L53585) Lead-Base Babbitt Metal UNS C49300 Bismuth Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		26
Elastic (Young's, Tensile) Modulus, GPa		100

Poisson's Ratio		0.4
Poisson's Ratio		0.31

Shear Modulus, GPa		9.1
Shear Modulus, GPa		40

Tensile Strength: Yield (Proof), MPa		25
Tensile Strength: Yield (Proof), MPa		210 to 410

Thermal Properties

Latent Heat of Fusion, J/g		48
Latent Heat of Fusion, J/g		170

Melting Completion (Liquidus), °C		270
Melting Completion (Liquidus), °C		880

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		840

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		26

Density, g/cm³		10
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		4.4
Embodied Carbon, kg CO₂/kg material		3.0

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		50

Embodied Water, L/kg		880
Embodied Water, L/kg		370

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		12
Resilience: Unit (Modulus of Resilience), kJ/m³		220 to 800

Stiffness to Weight: Axial, points		1.4
Stiffness to Weight: Axial, points		7.2

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 0.5

Antimony (Sb), %		14 to 16
Antimony (Sb), %		0 to 0.5

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

Bismuth (Bi), %		0 to 0.1
Bismuth (Bi), %		0.5 to 2.0

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

Copper (Cu), %		0 to 0.5
Copper (Cu), %		58 to 62

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

Lead (Pb), %		71.9 to 76.4
Lead (Pb), %		0 to 0.010

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.030

Nickel (Ni), %		0
Nickel (Ni), %		0 to 1.5

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.2

Selenium (Se), %		0
Selenium (Se), %		0 to 0.2

Silicon (Si), %		0
Silicon (Si), %		0 to 0.1

Tin (Sn), %		9.3 to 10.7
Tin (Sn), %		1.0 to 1.8

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		30.6 to 40.5

Residuals, %		0
Residuals, %		0 to 0.5