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Automotive Grey Cast Iron vs. Grade 7 Babbitt Metal

Automotive grey cast iron belongs to the iron alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 18 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 automotive grey cast iron and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 280
23
Elastic (Young's, Tensile) Modulus, GPa 180
26
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 69 to 70
9.1
Tensile Strength: Yield (Proof), MPa 94 to 200
25

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
48
Melting Completion (Liquidus), °C 1380 to 1390
270
Melting Onset (Solidus), °C 1340 to 1350
240
Specific Heat Capacity, J/kg-K 490
150
Thermal Expansion, µm/m-K 12 to 14
26

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
23
Density, g/cm3 7.5 to 7.6
10
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
4.4
Embodied Energy, MJ/kg 21 to 24
62
Embodied Water, L/kg 44 to 51
880

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
12
Stiffness to Weight: Axial, points 13
1.4
Stiffness to Weight: Bending, points 25
9.6