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S31727 Stainless Steel vs. Grade 8 Babbitt Metal

S31727 stainless steel belongs to the iron alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is grade 8 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
15
Elastic (Young's, Tensile) Modulus, GPa 200
24
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 78
8.5
Tensile Strength: Yield (Proof), MPa 270
23

Thermal Properties

Latent Heat of Fusion, J/g 290
46
Melting Completion (Liquidus), °C 1440
270
Melting Onset (Solidus), °C 1390
240
Specific Heat Capacity, J/kg-K 470
150
Thermal Expansion, µm/m-K 16
24

Otherwise Unclassified Properties

Base Metal Price, % relative 24
19
Density, g/cm3 8.0
10
Embodied Carbon, kg CO2/kg material 4.7
3.9
Embodied Energy, MJ/kg 64
53
Embodied Water, L/kg 180
840

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 190
11
Stiffness to Weight: Axial, points 14
1.3
Stiffness to Weight: Bending, points 24
9.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
14 to 16
Arsenic (As), % 0
0.3 to 0.6
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
0 to 0.5
Iron (Fe), % 53.7 to 61.3
0 to 0.1
Lead (Pb), % 0
77.1 to 81.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0050