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Grade 7 Babbitt Metal vs. SAE-AISI P20 Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI P20 steel belongs to the iron alloys. There are 15 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 7 Babbitt Metal and the bottom bar is SAE-AISI P20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 26
190
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 9.1
73

Thermal Properties

Latent Heat of Fusion, J/g 48
260
Melting Completion (Liquidus), °C 270
1460
Melting Onset (Solidus), °C 240
1420
Specific Heat Capacity, J/kg-K 150
470
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.8
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.6
Embodied Energy, MJ/kg 62
21
Embodied Water, L/kg 880
52

Common Calculations

Stiffness to Weight: Axial, points 1.4
13
Stiffness to Weight: Bending, points 9.6
24

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
0.28 to 0.4
Chromium (Cr), % 0
0.4 to 2.0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 0.1
95.2 to 98.5
Lead (Pb), % 71.9 to 76.4
0
Manganese (Mn), % 0
0.35 to 0.71
Molybdenum (Mo), % 0
0.3 to 0.55
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 9.3 to 10.7
0
Zinc (Zn), % 0 to 0.0050
0