
API TR 593
API TR 593, 1st Edition: Assumptions and Calculation Methodology for API 574, Fifth Edition Structural Thickness Tables
CDN $137.00
This publication was last reviewed and confirmed in 2026.
Assumptions and Calculation Methodology for API 574, Fifth Edition Structural Thickness Tables
Description
Pipe span calculations were performed to determine structural minimum thickness (TSTRUCT) values for various pipe sizes, pressure classes, materials, and temperatures. A large-scale finite element analysis (FEA) sensitivity study was performed to determine whether local stresses at pipe supports limit TSTRUCT for any cases. The intent was for the results to be used to update the structural thickness tables in API 574.
Edition
1
Published Date
2026-05-02
Status
Current
Pages
68
Format 
Secure PDF
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Abstract
Pipe span calculations were performed to determine structural minimum thickness (TSTRUCT) values for various pipe sizes, pressure classes, materials, and temperatures. A large-scale finite element analysis (FEA) sensitivity study was performed to determine whether local stresses at pipe supports limit TSTRUCT for any cases. The intent was for the results to be used to update the structural thickness tables in API 574.
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