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Grade 8 Babbitt Metal vs. S20431 Stainless Steel

Grade 8 Babbitt Metal belongs to the otherwise unclassified metals classification, while S20431 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 8 Babbitt Metal and the bottom bar is S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
210
Elastic (Young's, Tensile) Modulus, GPa 24
200
Poisson's Ratio 0.41
0.28
Shear Modulus, GPa 8.5
76
Tensile Strength: Yield (Proof), MPa 23
350

Thermal Properties

Latent Heat of Fusion, J/g 46
280
Melting Completion (Liquidus), °C 270
1400
Melting Onset (Solidus), °C 240
1360
Specific Heat Capacity, J/kg-K 150
480
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 24
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 10
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.5
Embodied Energy, MJ/kg 53
36
Embodied Water, L/kg 840
140

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 11
310
Stiffness to Weight: Axial, points 1.3
14
Stiffness to Weight: Bending, points 9.2
25
Thermal Diffusivity, mm2/s 16
4.0

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 to 0.12
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0 to 0.5
1.5 to 3.5
Iron (Fe), % 0 to 0.1
66.1 to 74.4
Lead (Pb), % 77.1 to 81.2
0
Manganese (Mn), % 0
5.0 to 7.0
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 0 to 0.0050
0