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 blended learning program includes detailed lessons on topics covered in the exam, practice exam questions, step-by-step solutions, and e-instructor support. 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*
Engineering Degree 1 year experience in petrochemical industry
2-yr technical degree 2 years of experience in petrochemical industry
High School 3 years of experience in petrochemical industry
No formal education 5 years of experience in petrochemical industry
API 571 Inspector Examination

The examination will be based on the API Recommended Practice 571 - Damage Mechanisms Affecting Fixed Equipment in the Refining Industry with the exception of the following sections: 1.1, 3.1, 4.1, and 5.2.

Note: Questions become effective when the applicable API documents (namely API RP 571 - any new issue, addenda or rewrite) have been in use for 12 months since issue date.

Exam Code Document and CASTI courses

All exam candidates will need the referenced Codes as they appear in the Body of Knowledge to study from and to complete CASTI's exam preparation course. These code documents 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, ASME, CSA, AWS and CASTI.

Quick Links: