Getting Started: API 571 Inspector Certification

Certification Program for Advanced Knowledge of Corrosion and Materials

The objective of this certification program is to provide documented evidence of advanced knowledge and expertise in the area of Corrosion and Materials based on the information contained in API RP 571.

Register for CASTI Training Programs

CASTI provides exam preparation training to help candidates pass the API 571 Corrosion and Materials Certification Exam. Our training course includes detailed lessons on some of the topics covered in the exam, practice exam questions, step-by-step solutions, and e-instructor support. Please note that CASTI training programs are separate from the certification exams, which are administered by the American Petroleum Institute (API).

Register Now!

Visit the CASTI API 571 course page to review the course outline and register for the course.

Education and Experience Requirements

If you hold a current API 510, 570 or 653 certification, you automatically qualify to take the API 571 Corrosion and Materials certification exam.

If you do not hold a current API 510, 570 or 653 certification, then qualification is based on a combination of your level of education and industry experience acquired within the last 10 years.

Minimum experience required is based on the applicants' level of education as described below:

*The experience does NOT have to be related to inspection.
Education Experience*
BS or higher in engineering or technology 1 year experience in petrochemical industry
2-year degree or certificate in engineering or technology 2 years of experience in petrochemical industry
high school diploma or equivalent 3 years of experience in petrochemical industry
no formal education 5+ years of experience in petrochemical industry
API 571 Inspector Examination

The API 571 examination is structured as follows.

* Refer to the API exam dates and applications deadlines on the API website.

Exam Code Document and CASTI courses

The examination will be based on the entire API RP 571 - Damage Mechanisms Affecting Fixed Equipment in the Refining Industry, 3rd Edition (2020). This code document can be purchased from CASTI.

For more information about CASTI's API RP 571 training course, please visit:

This summary of educational requirements, examination and renewal, and recognition and reciprocity information is provided for your general overview. It is important that you read the complete documents containing these details as provided by API and CASTI.

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