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LCP vs. Austempered Cast Iron

LCP and austempered cast iron belong to fundamentally different material chemistries. LCP is a polymeric material, while austempered cast iron is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (21, 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 austempered cast iron.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
7.5
Elastic (Young's, Tensile) Modulus, GPa 11 to 24
180
Elongation at Break, % 1.0 to 3.0
1.1 to 13
Melting Onset (Solidus), °C 280
1340
Specific Heat Capacity, J/kg-K 1020 to 1200
490
Stiffness to Weight: Axial, points 4.4 to 8.9
13
Stiffness to Weight: Bending, points 51 to 65
25
Strength to Weight: Axial, points 33 to 43
32 to 66
Strength to Weight: Bending, points 45 to 56
27 to 44
Tensile Strength: Ultimate (UTS), MPa 180 to 230
860 to 1800