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Grade 7 Babbitt Metal vs. AISI 418 Stainless Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while AISI 418 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
330
Elastic (Young's, Tensile) Modulus, GPa 26
200
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 9.1
77
Tensile Strength: Yield (Proof), MPa 25
850

Thermal Properties

Latent Heat of Fusion, J/g 48
270
Melting Completion (Liquidus), °C 270
1500
Melting Onset (Solidus), °C 240
1460
Specific Heat Capacity, J/kg-K 150
470
Thermal Expansion, µm/m-K 26
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 10
8.0
Embodied Carbon, kg CO2/kg material 4.4
2.9
Embodied Energy, MJ/kg 62
41
Embodied Water, L/kg 880
110

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 12
1830
Stiffness to Weight: Axial, points 1.4
14
Stiffness to Weight: Bending, points 9.6
24

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
0.15 to 0.2
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
78.5 to 83.6
Lead (Pb), % 71.9 to 76.4
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
1.8 to 2.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 9.3 to 10.7
0
Tungsten (W), % 0
2.5 to 3.5
Zinc (Zn), % 0 to 0.0050
0