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Grade 1 Babbitt Metal vs. SAE-AISI 4820 Steel

Grade 1 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 4820 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 1 Babbitt Metal and the bottom bar is SAE-AISI 4820 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13
170
Elastic (Young's, Tensile) Modulus, GPa 53
190
Elongation at Break, % 34
21
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 20
73
Tensile Strength: Yield (Proof), MPa 30
370

Thermal Properties

Latent Heat of Fusion, J/g 70
250
Melting Completion (Liquidus), °C 370
1460
Melting Onset (Solidus), °C 220
1420
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 45
51
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 16
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 75
4.3
Density, g/cm3 7.3
7.9
Embodied Carbon, kg CO2/kg material 12
1.8
Embodied Energy, MJ/kg 200
24
Embodied Water, L/kg 1160
53

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 8.6
370
Stiffness to Weight: Axial, points 4.0
13
Stiffness to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 26
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 4.0 to 5.0
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
0.18 to 0.23
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 0.080
94.6 to 95.7
Lead (Pb), % 0 to 0.35
0
Manganese (Mn), % 0
0.5 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
3.3 to 3.8
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 89.3 to 92
0
Zinc (Zn), % 0 to 0.0050
0