Limit State Equation

Equation which, when used with the measured geometry and material properties of a sample, produces an estimate of the failure value of that sample. NOTE A limit state equation describes the performance of an individual sample as closely as possible, without regard for the tolerances to which the sample was built.

Source: API TR 5C3, Technical Report on Equations and Calculations for Casing, Tubing, and Line Pipe Used as Casing or Tubing; and Performance Properties Tables for Casing and Tubing, Upstream Segment, First Edition, December 2008. Global Standards


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