API 510 – Pressure Vessel Inspector

Pre-Examination Training Course

Course Reference: 

Course Duration:   5 days

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API Authorized Pressure Vessel Inspectors must have a broad knowledge base relating to maintenance, inspection, repair, and alteration of pressure vessels. The API Authorized Pressure Vessel Inspector Certification Examination is designed to determine if individuals have such knowledge.
The following is a list of specific topics in which the API Authorized Pressure Vessel Inspector should be knowledgeable:

API publications and ASME codebooks must be brought to the examination site to be used as reference materials for the Open book part of the examination.

A. API Publications:

  • API 510, Pressure Vessel Inspection Code API RP 571, Damage Mechanisms Affecting Equipment in Refining Industry
  • API RP 572, Inspection of Pressure Vessels (except Appendix B)
  • API RP 576, Inspection of Pressure Relieving Devices
  • API RP 577, Welding Inspection and Metallurgy

B. ASME Publications:

Section V, Non-destructive Examination Section VIII, Division 1, Rules for Constructing Pressure Vessels Section IX, Welding and Brazing Qualifications

Note: Refer to the Publications Effectivity Sheet in the application package for a list of specific editions, addenda, and supplements of the reference publications that are effective for your exam date.

Code calculation questions will be oriented toward existing pressure vessels, not new pressure vessels.

API Authorized Pressure Vessel Inspectors should be able to check and perform calculations relative to in-service deterioration, repairs, rerates, or alterations.

Only internal and external pressure loadings will be considered for the API 510 examination.

Note: Dimensions, pressures and temperatures in exam items are supplied in SI units (metric) and the US Customary units (inches, feet, psi, etc.) where applicable.

Topics Covered in the Course Include but by no means are limited to:

  1. CORROSION RATES AND INSPECTION INTERVALS
  2. JOINT EFFICIENCIES
  3. STATIC HEAD
  4. INTERNAL PRESSURE
  5. EXTERNAL PRESSURE
  6. PRESSURE TESTING
  7. IMPACT TESTING
  8. WELD SIZE FOR ATTACHMENT WELDS AT OPENINGS
  9. NOZZLE REINFORCEMENT
  10. WELDING PROCEDURE AND QUALIFICATION EVALUATION BASED ON ASME BOILER AND PRESSURE VESSEL CODE, SECTION IX
  11. WELD PROCEDURE REVIEW MAY INCLUDE SMAW, GTAW, GMAW, OR SAW, WITH THE FOLLOWING LIMITATIONS
  12. ASME Section VIII,Div. 1 and API510 GENERAL WELDING REQUIREMENTS
  13. NONDESTRUCTIVE EXAMINATION
  14.  PRACTICAL KNOWLEDGE GENERAL
  15. PRACTICAL KNOWLEDGE SPECIFIC

Codes Covered by the API 510 Authorised Inspectors Examination:

API510, Pressure Vessel Inspection Code

All of API 510 is applicable to the examination unless specifically excluded. For example: Section 9 and Appendix E are excluded.

API RP 571, Damage Mechanisms Affecting Fixed equipment in the Refining Industry

ATTN: Test questions will be based on the following mechanisms only hence these will be the only damage mechanisms included:

Paragraph. 3. Definitions (included as a frame of reference only)

4.2.3 – Temper Embrittlement

4.2.7 – Brittle Fracture

4.2.9 – Thermal Fatigue

4.2.14 – Erosion/Erosion Corrosion

4.2.16 – Mechanical Failure 4.3.2 – Atmospheric Corrosion

4.3.3 – Corrosion Under Insulation (CUI)

4.3.4 – Cooling Water Corrosion

4.3.5 – Boiler Water Condensate Corrosion

4.3.10 – Caustic Corrosion

4.4.2 – Sulfidation

4.5.1 – Chloride Stress Corrosion Cracking (ClSCC)

4.5.2 – Corrosion Fatigue

4.5.3 – Caustic Stress Corrosion Cracking (Caustic Embrittlement)

5.1.2.3 – Wet H2S Damage (Blistering/HIC/SOHIC/SCC)

5.1.3.1 – High Temperature Hydrogen Attack (HTHA)

API RP572,

Inspection of Pressure Vessels – Entire document is subject to testing with the exception of Appendix B.

API RP 576,

Inspection of Pressure Relieving Devices Entire document is subject to testing with the exception for appendices.

API RP 577,

Welding Inspection and Metallurgy – Entire document is subject to testing ASME Publications: Section V, Non-destructive Examination Section VIII, Division 1, Rules for Constructing Pressure Vessels Section IX, Welding and Brazing Qualifications