of HTHA damage mentioned in the RP. Compare API RP 586 with other inspection standards. Find training providers for PAUT inspection. API RP 586: HTHA Inspection Guidance | PDF - Scribd
: Recommended for surface inspection and detecting early stages of damage. Purpose and Regulatory Context Api Rp 586 Pdf Apr 2026
It is important to note a frequent source of confusion: API RP 586 is technically identical to (Technical Report 2). In 2015, the API renumbered several subsea documents. What was once API 17TR2 is now API RP 586. Therefore, when you search for an "API RP 586 PDF," you are also searching for the latest edition of the 17TR2 guidelines. api rp 586 pdf
Using specialized PAUT (Phased Array Ultrasonic Testing) and TOFD (Time-of-Flight Diffraction) to identify damage stages.
Employs beam focusing to reveal colonies of micro-fissures that were previously invisible. Full Matrix Capture (FMC) and Total Focusing Method (TFM): of HTHA damage mentioned in the RP
The RP is designed to be a practical guide for inspectors and NDT engineers to choose the right tool for the specific type of damage expected. Key Sections and Focus Areas
Since these are technical standards, they are generally not available for free legally. You can obtain them through official standard distributors: Official API Publications API Publications Store is the primary source for the final, published versions. Standards Aggregators API RP 586: HTHA Inspection Guidance | PDF
– Provides guidance on detecting subsurface micro-fissuring, a critical need identified after catastrophic industry failures. Part 3: Contact Point Corrosion (CPC)
The RP covers the use of Field Metallurgical Replication (FMR), metallography, and Scanning Electron Microscopy (SEM) for validating HTHA findings.
The development of API RP 586 was driven by the need for more reliable inspection data following major industry incidents, such as the 2010 failure of a heat exchanger due to HTHA. API RP 586: HTHA Inspection Guidance | PDF - Scribd