Grade 1 Babbitt Metal vs. C47940 Brass

Grade 1 Babbitt Metal belongs to the otherwise unclassified metals classification, while C47940 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 1 Babbitt Metal and the bottom bar is C47940 brass.

Grade 1 (L13910) Tin-Base Babbitt Metal UNS C47940 Naval Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		53
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		34
Elongation at Break, %		14 to 34

Poisson's Ratio		0.35
Poisson's Ratio		0.31

Shear Modulus, GPa		20
Shear Modulus, GPa		40

Tensile Strength: Yield (Proof), MPa		30
Tensile Strength: Yield (Proof), MPa		160 to 390

Thermal Properties

Latent Heat of Fusion, J/g		70
Latent Heat of Fusion, J/g		170

Melting Completion (Liquidus), °C		370
Melting Completion (Liquidus), °C		850

Melting Onset (Solidus), °C		220
Melting Onset (Solidus), °C		800

Specific Heat Capacity, J/kg-K		230
Specific Heat Capacity, J/kg-K		380

Thermal Conductivity, W/m-K		45
Thermal Conductivity, W/m-K		110

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Base Metal Price, % relative		75
Base Metal Price, % relative		25

Density, g/cm³		7.3
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		12
Embodied Carbon, kg CO₂/kg material		2.8

Embodied Energy, MJ/kg		200
Embodied Energy, MJ/kg		47

Embodied Water, L/kg		1160
Embodied Water, L/kg		330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		8.6
Resilience: Unit (Modulus of Resilience), kJ/m³		120 to 740

Stiffness to Weight: Axial, points		4.0
Stiffness to Weight: Axial, points		7.1

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		26
Thermal Diffusivity, mm²/s		36

Alloy Composition

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

Antimony (Sb), %		4.0 to 5.0
Antimony (Sb), %		0

Arsenic (As), %		0 to 0.1
Arsenic (As), %		0

Bismuth (Bi), %		0 to 0.080
Bismuth (Bi), %		0

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

Copper (Cu), %		4.0 to 5.0
Copper (Cu), %		63 to 66

Iron (Fe), %		0 to 0.080
Iron (Fe), %		0.1 to 1.0

Lead (Pb), %		0 to 0.35
Lead (Pb), %		1.0 to 2.0

Nickel (Ni), %		0
Nickel (Ni), %		0.1 to 0.5

Tin (Sn), %		89.3 to 92
Tin (Sn), %		1.2 to 2.0

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		28.1 to 34.6

Residuals, %		0
Residuals, %		0 to 0.4