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SAE-AISI 1108 Steel vs. Grade 8 Babbitt Metal

SAE-AISI 1108 steel belongs to the iron alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1108 steel and the bottom bar is grade 8 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
15
Elastic (Young's, Tensile) Modulus, GPa 190
24
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 73
8.5
Tensile Strength: Yield (Proof), MPa 220 to 360
23

Thermal Properties

Latent Heat of Fusion, J/g 250
46
Melting Completion (Liquidus), °C 1460
270
Melting Onset (Solidus), °C 1420
240
Specific Heat Capacity, J/kg-K 470
150
Thermal Conductivity, W/m-K 52
24
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
19
Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 18
53
Embodied Water, L/kg 46
840

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 340
11
Stiffness to Weight: Axial, points 13
1.3
Stiffness to Weight: Bending, points 24
9.2
Thermal Diffusivity, mm2/s 14
16

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), % 0.080 to 0.13
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98.9 to 99.24
0 to 0.1
Lead (Pb), % 0
77.1 to 81.2
Manganese (Mn), % 0.6 to 0.8
0
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0.080 to 0.13
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0050