API API-571 : Corrosion and Materials Professional

API-571 real exams

Exam Code: API-571

Exam Name: Corrosion and Materials Professional

Updated: Aug 02, 2026

Q & A: 151 Questions and Answers

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API-571 Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our API-571 exam dumps will include the following topics:

  • Knowledge of general damage mechanisms applicable to the industry and be able to identify their features and functions.
  • Determine general damage mechanisms on uniform or localized loss thickness and explain the various types of corrosion related to it.
  • Possess a general background on the scope, organization and use of API 571 and be able to review the standards and other references related to it.
  • Identify the various mechanical and metallurgical failure mechanisms such as brittle fracture, steam blanketing, stress rupture, cracking, thermal shock, fatigue and corrosion.
  • Understand refining industry damage mechanisms used in uniform of localized loss in thickness phenomena.
  • Explore damage mechanisms on high temperature corrosion including oxidation, sulfidation, carburization and metal dusting.
  • Explore refining industry damage mechanisms for environment assisted cracking and be able to identify the other types of mechanisms.

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API-571 Exam Reference

Reference: http://www.api.org/products-and-services/individual-certification-programs/certifications/api571#tab_exam-info

API API-571 Exam Syllabus Topics:

SectionObjectives
Environmentally Assisted Cracking- Hydrogen-related damage
  • 1. Hydrogen blistering
    • 2. Hydrogen induced cracking (HIC)
      • 3. Hydrogen embrittlement
        - Stress corrosion cracking
        • 1. Caustic cracking
          • 2. Chloride stress corrosion cracking
            Materials Selection and Mitigation- Corrosion control strategies
            • 1. Material selection principles
              • 2. Corrosion inhibitors
                • 3. Coatings and linings
                  Metallurgical Damage Mechanisms- Embrittlement phenomena
                  • 1. Temper embrittlement
                    • 2. Sigma phase embrittlement
                      - High-temperature degradation
                      • 1. Thermal fatigue
                        • 2. Graphitization
                          • 3. Creep damage
                            General Knowledge of Damage Mechanisms- Overview of degradation in refining environments
                            • 1. Damage mechanism classification
                              • 2. Materials performance fundamentals
                                Corrosion Mechanisms- Aqueous corrosion
                                • 1. Crevice corrosion
                                  • 2. Galvanic corrosion
                                    • 3. Pitting corrosion
                                      • 4. Uniform corrosion
                                        • 5. Microbiologically influenced corrosion (MIC)
                                          - High-temperature corrosion
                                          • 1. Carburization
                                            • 2. Oxidation
                                              • 3. Sulfidation
                                                Refining Process-Specific Damage- Hydroprocessing units
                                                • 1. Hydrogen attack mechanisms
                                                  • 2. High-pressure hydrogen service degradation
                                                    - FCC and sulfur recovery units
                                                    • 1. Erosion-corrosion interactions
                                                      • 2. High-temperature sulfidic corrosion

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