Grade 2 Babbitt Metal vs. C68400 Brass

Grade 2 Babbitt Metal belongs to the otherwise unclassified metals classification, while C68400 brass belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 2 Babbitt Metal and the bottom bar is C68400 brass.

Grade 2 (L13890) Tin-Base Babbitt Metal UNS C68400 Silicon-Manganese Brass

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		25
Brinell Hardness		150

Elastic (Young's, Tensile) Modulus, GPa		53
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.35
Poisson's Ratio		0.31

Shear Modulus, GPa		19
Shear Modulus, GPa		41

Tensile Strength: Yield (Proof), MPa		42
Tensile Strength: Yield (Proof), MPa		310

Thermal Properties

Latent Heat of Fusion, J/g		72
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		350
Melting Completion (Liquidus), °C		840

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		820

Specific Heat Capacity, J/kg-K		230
Specific Heat Capacity, J/kg-K		400

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

Otherwise Unclassified Properties

Base Metal Price, % relative		70
Base Metal Price, % relative		23

Density, g/cm³		7.3
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		12
Embodied Carbon, kg CO₂/kg material		2.7

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

Embodied Water, L/kg		1240
Embodied Water, L/kg		320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		17
Resilience: Unit (Modulus of Resilience), kJ/m³		460

Stiffness to Weight: Axial, points		4.0
Stiffness to Weight: Axial, points		7.5

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		20

Alloy Composition

Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		0 to 0.5

Antimony (Sb), %		7.0 to 8.0
Antimony (Sb), %		0

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

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

Boron (B), %		0
Boron (B), %		0.0010 to 0.030

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

Copper (Cu), %		3.0 to 4.0
Copper (Cu), %		59 to 64

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

Lead (Pb), %		0 to 0.35
Lead (Pb), %		0 to 0.090

Manganese (Mn), %		0
Manganese (Mn), %		0.2 to 1.5

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

Phosphorus (P), %		0
Phosphorus (P), %		0.030 to 0.3

Silicon (Si), %		0
Silicon (Si), %		1.5 to 2.5

Tin (Sn), %		87.3 to 90
Tin (Sn), %		0 to 0.5

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		28.6 to 39.3

Residuals, %		0
Residuals, %		0 to 0.5