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Grade 8 Babbitt Metal vs. SAE-AISI P4 Steel

Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI P4 steel belongs to the iron alloys. There are 17 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 8 Babbitt Metal and the bottom bar is SAE-AISI P4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
190
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 8.5
74

Thermal Properties

Latent Heat of Fusion, J/g 46
260
Melting Completion (Liquidus), °C 270
1460
Melting Onset (Solidus), °C 240
1420
Specific Heat Capacity, J/kg-K 150
470
Thermal Conductivity, W/m-K 24
41
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.4
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.8
Embodied Energy, MJ/kg 53
23
Embodied Water, L/kg 840
68

Common Calculations

Stiffness to Weight: Axial, points 1.3
14
Stiffness to Weight: Bending, points 9.2
24
Thermal Diffusivity, mm2/s 16
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 14 to 16
0
Arsenic (As), % 0.3 to 0.6
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
4.0 to 5.3
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 0.1
92.3 to 95.3
Lead (Pb), % 77.1 to 81.2
0
Manganese (Mn), % 0
0.2 to 0.6
Molybdenum (Mo), % 0
0.4 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.1 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 0 to 0.0050
0