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SAE-AISI M4 Steel vs. Grade 7 Babbitt Metal

SAE-AISI M4 steel belongs to the iron alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
26
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 76
9.1

Thermal Properties

Latent Heat of Fusion, J/g 260
48
Melting Completion (Liquidus), °C 1610
270
Melting Onset (Solidus), °C 1560
240
Specific Heat Capacity, J/kg-K 440
150
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.3
10
Embodied Carbon, kg CO2/kg material 14
4.4
Embodied Energy, MJ/kg 210
62
Embodied Water, L/kg 110
880

Common Calculations

Stiffness to Weight: Axial, points 13
1.4
Stiffness to Weight: Bending, points 23
9.6

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), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 75.9 to 81.4
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.3 to 5.5
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
9.3 to 10.7
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zinc (Zn), % 0
0 to 0.0050