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LCP vs. SAE-AISI D7 Steel

LCP and SAE-AISI D7 steel belong to fundamentally different material chemistries. LCP is a polymeric material, while SAE-AISI D7 steel 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 (19, 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 SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
7.6
Elastic (Young's, Tensile) Modulus, GPa 11 to 24
190
Melting Onset (Solidus), °C 280
1400
Specific Heat Capacity, J/kg-K 1020 to 1200
480
Stiffness to Weight: Axial, points 4.4 to 8.9
14
Stiffness to Weight: Bending, points 51 to 65
25
Strength to Weight: Axial, points 33 to 43
29 to 78
Strength to Weight: Bending, points 45 to 56
25 to 48
Tensile Strength: Ultimate (UTS), MPa 180 to 230
800 to 2120