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Grade 2 Babbitt Metal vs. SAE-AISI 8645 Steel

Grade 2 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 8645 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 2 Babbitt Metal and the bottom bar is SAE-AISI 8645 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 53
190
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 19
73
Tensile Strength: Yield (Proof), MPa 42
390 to 560

Thermal Properties

Latent Heat of Fusion, J/g 72
250
Melting Completion (Liquidus), °C 350
1460
Melting Onset (Solidus), °C 240
1420
Specific Heat Capacity, J/kg-K 230
470
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.6
Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 12
1.5
Embodied Energy, MJ/kg 200
20
Embodied Water, L/kg 1240
50

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 17
420 to 840
Stiffness to Weight: Axial, points 4.0
13
Stiffness to Weight: Bending, points 17
24

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 7.0 to 8.0
0
Arsenic (As), % 0 to 0.1
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.43 to 0.48
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 0.080
96.5 to 97.7
Lead (Pb), % 0 to 0.35
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
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), % 87.3 to 90
0
Zinc (Zn), % 0 to 0.0050
0