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Grade 15 Babbitt Metal vs. SAE-AISI M7 Steel

Grade 15 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI M7 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 15 Babbitt Metal and the bottom bar is SAE-AISI M7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 23
200
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 8.2
77

Thermal Properties

Latent Heat of Fusion, J/g 46
270
Melting Completion (Liquidus), °C 280
1560
Melting Onset (Solidus), °C 250
1510
Specific Heat Capacity, J/kg-K 140
450
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
18
Density, g/cm3 10
8.1
Embodied Carbon, kg CO2/kg material 3.6
8.9
Embodied Energy, MJ/kg 47
130
Embodied Water, L/kg 840
100

Common Calculations

Stiffness to Weight: Axial, points 1.2
14
Stiffness to Weight: Bending, points 9.0
24

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 14.5 to 17.5
0
Arsenic (As), % 0.8 to 1.4
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 0 to 0.6
0 to 0.25
Iron (Fe), % 0 to 0.1
79.8 to 83.8
Lead (Pb), % 79 to 83.9
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.55
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.8 to 1.2
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3
Zinc (Zn), % 0 to 0.0050
0