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SAE-AISI A9 Steel vs. Grade 7 Babbitt Metal

SAE-AISI A9 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 (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A9 steel and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
26
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 74
9.1

Thermal Properties

Latent Heat of Fusion, J/g 280
48
Melting Completion (Liquidus), °C 1460
270
Melting Onset (Solidus), °C 1410
240
Specific Heat Capacity, J/kg-K 470
150
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
23
Density, g/cm3 7.8
10
Embodied Carbon, kg CO2/kg material 4.7
4.4
Embodied Energy, MJ/kg 70
62
Embodied Water, L/kg 82
880

Common Calculations

Stiffness to Weight: Axial, points 14
1.4
Stiffness to Weight: Bending, points 25
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), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 87 to 90.5
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
9.3 to 10.7
Vanadium (V), % 0.8 to 1.4
0
Zinc (Zn), % 0
0 to 0.0050