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LCP vs. Austenitic Grey Cast Iron

LCP and austenitic grey cast iron belong to fundamentally different material chemistries. LCP is a polymeric material, while austenitic grey cast iron is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 9 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is LCP and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
7.7 to 8.1
Elastic (Young's, Tensile) Modulus, GPa 11 to 24
180
Melting Onset (Solidus), °C 280
1290 to 1350
Specific Heat Capacity, J/kg-K 1020 to 1200
470 to 490
Stiffness to Weight: Axial, points 4.4 to 8.9
13
Stiffness to Weight: Bending, points 51 to 65
23 to 25
Strength to Weight: Axial, points 33 to 43
5.3 to 8.2
Strength to Weight: Bending, points 45 to 56
7.9 to 11
Tensile Strength: Ultimate (UTS), MPa 180 to 230
150 to 230