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Automotive Grey Cast Iron vs. Grade 15 Babbitt Metal

Automotive grey cast iron belongs to the iron alloys classification, while grade 15 Babbitt Metal belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is grade 15 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 280
21
Elastic (Young's, Tensile) Modulus, GPa 180
23
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 69 to 70
8.2

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
46
Melting Completion (Liquidus), °C 1380 to 1390
280
Melting Onset (Solidus), °C 1340 to 1350
250
Specific Heat Capacity, J/kg-K 490
140
Thermal Expansion, µm/m-K 12 to 14
26

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
17
Density, g/cm3 7.5 to 7.6
10
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
3.6
Embodied Energy, MJ/kg 21 to 24
47
Embodied Water, L/kg 44 to 51
840

Common Calculations

Stiffness to Weight: Axial, points 13
1.2
Stiffness to Weight: Bending, points 25
9.0