ASTM A369 Grade FPA vs. Grade 7 Babbitt Metal

ASTM A369 grade FPA belongs to the iron 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 (14, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FPA and the bottom bar is grade 7 Babbitt Metal.

ASTM A369 Grade FPA Carbon Steel Grade 7 (L53585) Lead-Base Babbitt Metal

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		110
Brinell Hardness		23

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		26

Poisson's Ratio		0.29
Poisson's Ratio		0.4

Shear Modulus, GPa		73
Shear Modulus, GPa		9.1

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

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		48

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		270

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		240

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		150

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		26

Otherwise Unclassified Properties

Base Metal Price, % relative		1.8
Base Metal Price, % relative		23

Density, g/cm³		7.8
Density, g/cm³		10

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		4.4

Embodied Energy, MJ/kg		18
Embodied Energy, MJ/kg		62

Embodied Water, L/kg		46
Embodied Water, L/kg		880

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		150
Resilience: Unit (Modulus of Resilience), kJ/m³		12

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		1.4

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		9.6

Alloy Composition

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

Antimony (Sb), %		0
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

Carbon (C), %		0 to 0.25
Carbon (C), %		0

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

Iron (Fe), %		98.3 to 99.63
Iron (Fe), %		0 to 0.1

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

Manganese (Mn), %		0.27 to 0.93
Manganese (Mn), %		0

Phosphorus (P), %		0 to 0.035
Phosphorus (P), %		0

Silicon (Si), %		0.1 to 0.5
Silicon (Si), %		0

Sulfur (S), %		0 to 0.035
Sulfur (S), %		0

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

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