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Grade 8 Babbitt Metal vs. SAE-AISI 4150 Steel

Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 4150 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
200 to 380
Elastic (Young's, Tensile) Modulus, GPa 24
190
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 8.5
73
Tensile Strength: Yield (Proof), MPa 23
380 to 1220

Thermal Properties

Latent Heat of Fusion, J/g 46
250
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
42
Thermal Expansion, µm/m-K 24
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.4
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 53
20
Embodied Water, L/kg 840
51

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 11
380 to 3930
Stiffness to Weight: Axial, points 1.3
13
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
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
96.7 to 97.7
Lead (Pb), % 77.1 to 81.2
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 0 to 0.0050
0