Hexagon CAESAR II 2026: Pipe Stress Analysis Software

CAESAR II 2026 is the latest version of Hexagon's industry-standard pipe stress analysis software, now officially branded as Aspect Pipe Stress as part of the Aspect portfolio transition . Current version is 15.1, released May 2026 .

Key New Features in Version 15.1

New Analysis Reviewer

• Next-Generation Post-Processor: Advanced flexible options for reviewing static analysis results and creating reports

• Latest Code Support: Supports ASME B31.1, ASME B31.3, ASME B31.3 Chapter IX, ASME NC, ASME ND, EN 13480

• Classic Processor Available: Original static output processor remains accessible; users can set default preference in Configuration Editor

Code Compliance

• B31J Mandatory: ASME B31.3 2024/2026 editions require Stress Intensification Factors (SIFs) per ASME B31J (Appendix D deleted); affects tees, intersections, trunnions

Bug Fixes

• Fixed PCF import issues where supports were missing after pipe splitting

• Corrected hydrotest allowable stress from 0.95Sy to 1.4Sc in CODETI

• Fixed ASCE 7 wind load height limit enforcement

• Fixed B31.12 allowable stress display in Input Echo

• Corrected flange gasket seating (Peq method) diameter data inheritance