Corrosion and Materials Professional: API-571 Exam

"Corrosion and Materials Professional", also known as API-571 exam, is a API Certification. With the complete collection of questions and answers, Pass4sureCert has assembled to take you through 151 Q&As to your API-571 Exam preparation. In the API-571 exam resources, you will cover every field and category in ICP Programs Certification helping to ready you for your successful API Certification.

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  • Updated on: Nov 08, 2026
  • No. of Questions: 151 Questions & Answers

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  • Updated on: Nov 08, 2026
  • No. of Questions: 151 Questions & Answers

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The API Corrosion and Materials API-571 Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as Advanced Corrosion & Materials Professional Certification. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The API Corrosion and Materials API-571 Exam certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass API Corrosion and Materials API-571 Exam then he should take this exam.

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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:

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

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

API Corrosion and Materials API-571 Exam

API Corrosion and Materials API-571 Exam is related to Advanced Corrosion & Materials Professional Certifications. This exam validates the knowledge and skills of corrosion engineers, corrosion processes among specialized inspectors, chemical engineers and other professionals across the entire petrochemical industry. Highly Specialized Inspectors, Corrosion Engineers and Chemical Engineers usually hold or pursue this certification and you can expect the same job role after completion of this certification.

API API-571 Exam Syllabus Topics:

SectionObjectives
Damage Mechanisms- Environment-Assisted Cracking
  • 1. Stress-Oriented Hydrogen-Induced Cracking (SOHIC)
  • 2. Sulfide Stress Cracking (SSC) / Hydrogen Stress Cracking
  • 3. Carbonate Stress Corrosion Cracking
  • 4. Caustic Stress Corrosion Cracking
  • 5. Ammonia Stress Corrosion Cracking
  • 6. Polythionic Acid Stress Corrosion Cracking (PTA-SCC)
  • 7. Hydrogen-Induced Cracking (HIC) / Stepwise Cracking
  • 8. Chloride Stress Corrosion Cracking (Cl-SCC)
  • 9. Amine Stress Corrosion Cracking
  • 10. Ethanol Stress Corrosion Cracking (SCC)
  • 11. Hydrogen Embrittlement
- High Temperature Corrosion (800°F / 425°C and above)
  • 1. Fuel Ash Corrosion
  • 2. Oxidation
  • 3. Sulfidation
  • 4. Carburization
  • 5. Metal Dusting
  • 6. Nitriding
- Uniform or Localized Loss of Thickness
  • 1. Cooling Water Corrosion
  • 2. Galvanic Corrosion
  • 3. Dealloying (Selective Leaching)
  • 4. Boiler Water / Condensate Corrosion
  • 5. Atmospheric Corrosion
  • 6. Microbiologically Influenced Corrosion (MIC)
  • 7. Soil Corrosion
  • 8. Caustic Corrosion
  • 9. Corrosion Under Insulation (CUI)
  • 10. Flue Gas Dew Point Corrosion
  • 11. Flow-Accelerated Corrosion (FAC) / Flow-Assisted Corrosion
  • 12. CO2 Corrosion
- General / Mechanical
  • 1. Brittle Fracture
  • 2. Galvanic Corrosion
  • 3. Zinc Embrittlement
  • 4. Graphitization
  • 5. Fatigue
  • 6. Softening (Spheroidization)
  • 7. Atmospheric Corrosion
  • 8. Fretting / Fretting Corrosion
  • 9. Erosion/Erosion-Corrosion
  • 10. Dissimilar Metal Weld (DMW) Cracking
  • 11. Corrosion Under Insulation (CUI)
  • 12. Stress Relief Cracking
  • 13. Sigma Phase Embrittlement
  • 14. Creep / Stress Rupture
  • 15. Temper Embrittlement
  • 16. Strain Aging
  • 17. Vibration-Induced Fatigue
  • 18. Mechanical Fatigue
  • 19. Liquid Metal Embrittlement (LME)
  • 20. Thermal Fatigue
  • 21. Metal Dusting
  • 22. 885°F (475°C) Embrittlement
  • 23. Hydrogen Embrittlement
  • 24. Cavitation
- High-Temperature Hydrogen Attack (HTHA)
  • 1. Internal Hydrogen Attack (IHA)
  • 2. Decarburization

API Corrosion and Materials Professional Sample Questions:

The likelihood of brittle fracture is best lessened by:

  • A. Using carbon or low-alloy steels
  • B. Frequent inspection of the piping or equipment involved
  • C. Using thicker construction materials to lower the resulting stress
  • D. Postweld heat treatment (PWHT)
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Which of the following damage mechanisms is related to steel hardness?

  • A. Hydrogen-induced cracking
  • B. Stress-oriented hydrogen-induced cracking
  • C. Hydrogen blistering
  • D. Sulfide stress corrosion cracking
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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What is the most effective way to mitigate aqueous organic acid corrosion in overhead streams?

  • A. Water washing
  • B. Injection of filming amine
  • C. Increase the overhead temperature
  • D. Injection of neutralizer
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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During inspection of a process unit where sulfidation from high-temperature hydrogen exists in H#S streams, the inspector should:

  • A. Use penetrant testing and magnetic-particle testing to look for surface-breaking cracks
  • B. Use angle beam ultrasonic testing to look for cracking at the mid-wall
  • C. Take boat samples and send them to the lab for metallographic analysis
  • D. Use ultrasonic testing or radiographic testing thickness readings to monitor for loss of wall thickness
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Which of the materials listed are not susceptible to Chloride Stress Corrosion Cracking?

  • A. 400 Series Stainless Steel
  • B. 300 Series Stainless Steel
  • C. Duplex Stainless Steel
  • D. 8% Nickel Alloys
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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