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Grade 15 Babbitt Metal vs. SAE-AISI 4340M Steel

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 4340M steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (19, 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 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 21
710
Elastic (Young's, Tensile) Modulus, GPa 23
190
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 8.2
72

Thermal Properties

Latent Heat of Fusion, J/g 46
280
Melting Completion (Liquidus), °C 280
1440
Melting Onset (Solidus), °C 250
1400
Specific Heat Capacity, J/kg-K 140
480
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.9
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 47
26
Embodied Water, L/kg 840
55

Common Calculations

Stiffness to Weight: Axial, points 1.2
13
Stiffness to Weight: Bending, points 9.0
25

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
0.7 to 1.0
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 0 to 0.1
93.3 to 94.8
Lead (Pb), % 79 to 83.9
0
Manganese (Mn), % 0
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.012
Silicon (Si), % 0
1.5 to 1.8
Sulfur (S), % 0
0 to 0.012
Tin (Sn), % 0.8 to 1.2
0
Vanadium (V), % 0
0.050 to 0.1
Zinc (Zn), % 0 to 0.0050
0