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SAE-AISI P4 Steel vs. Grade 8 Babbitt Metal

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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