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Grade 15 Babbitt Metal vs. SAE-AISI 8740 Steel

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 8740 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 15 Babbitt Metal and the bottom bar is SAE-AISI 8740 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 21
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 23
190
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 8.2
73

Thermal Properties

Latent Heat of Fusion, J/g 46
250
Melting Completion (Liquidus), °C 280
1460
Melting Onset (Solidus), °C 250
1420
Specific Heat Capacity, J/kg-K 140
470
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.6
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 47
20
Embodied Water, L/kg 840
50

Common Calculations

Stiffness to Weight: Axial, points 1.2
13
Stiffness to Weight: Bending, points 9.0
24

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 14.5 to 17.5
0
Arsenic (As), % 0.8 to 1.4
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 0 to 0.1
96.5 to 97.7
Lead (Pb), % 79 to 83.9
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0.8 to 1.2
0
Zinc (Zn), % 0 to 0.0050
0