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SAE-AISI M3 Class 1 Steel vs. Grade 8 Babbitt Metal

SAE-AISI M3 class 1 steel belongs to the iron alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 1 steel and the bottom bar is grade 8 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
24
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 77
8.5

Thermal Properties

Latent Heat of Fusion, J/g 260
46
Melting Completion (Liquidus), °C 1610
270
Melting Onset (Solidus), °C 1570
240
Specific Heat Capacity, J/kg-K 440
150
Thermal Conductivity, W/m-K 26
24
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 8.3
10
Embodied Carbon, kg CO2/kg material 10
3.9
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 100
840

Common Calculations

Stiffness to Weight: Axial, points 13
1.3
Stiffness to Weight: Bending, points 23
9.2
Thermal Diffusivity, mm2/s 7.2
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), % 1.0 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 76.9 to 82.9
0 to 0.1
Lead (Pb), % 0
77.1 to 81.2
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
4.5 to 5.5
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0
Zinc (Zn), % 0
0 to 0.0050