Unlike metallic piping, Fiberglass Reinforced Plastic (FRP) possesses anisotropic and orthotropic material properties, meaning its axial and hoop moduli differ significantly.
Applying standard carbon steel piping design rules to composite systems frequently leads to over-stiffened piping runs, excessive nozzle loads on pumps and vessels, and high localized thermal stresses.
Comprehensive pipe stress analysis using software tailored for composite laminates ensures flexible expansion loops, correct support spacing, and acceptable equipment nozzle loading according to ASME B31.3 standards.