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Updated: Jul 31, 2026
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The price of the API-571 exam is $365 USD.
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 Overview:
| Certification Vendor: | American Petroleum Institute (API) |
| Exam Name: | Corrosion and Materials Professional Certification Exam |
| Exam Number: | API-571 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 70% / Scaled score determined by API |
| Exam Price: | $440 USD |
| Real Exam Qty: | 110 (100 scored, 10 unscored pretest) |
| Available Languages: | English |
| Related Certifications: | API 510 Pressure Vessel Inspector API 570 Piping Inspector API 653 Aboveground Storage Tank Inspector |
| Exam Format: | Multiple-choice questions, Closed-book exam, Computer-based test |
| Exam Duration: | 195 minutes |
| Recommended Training: | API RP 571 Damage Mechanisms Standard |
| Exam Registration: | Prometric Scheduling API ICP Portal |
| Sample Questions: | API API-571 Sample Questions |
| Exam Way: | Computer-based testing (CBT) at Prometric test centers; online proctored option available |
| Pre Condition: | Hold current API 510, 570 or 653 certification; or meet education + experience requirements: BS/BS in engineering/tech + 1 year, 2-year degree + 2 years, high school + 3 years industry experience (past 10 years) |
| Official Syllabus URL: | https://www.api.org/products-and-services/individual-certification-programs/certifications/api571 |
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:
- Explore damage mechanisms on high temperature corrosion including oxidation, sulfidation, carburization and metal dusting.
- 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.
- 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.
- Determine general damage mechanisms on uniform or localized loss thickness and explain the various types of corrosion related to it.
- Explore refining industry damage mechanisms for environment assisted cracking and be able to identify the other types of mechanisms.
API API-571 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Environmentally Assisted Cracking | 25% | - Hydrogen Embrittlement - Caustic Stress Corrosion Cracking - Chloride Stress Corrosion Cracking - Sulfide Stress Cracking |
| Uniform or Localized Loss of Thickness | 25% | - Sulfidation - Corrosion Under Insulation (CUI) - Hydrochloric Acid Corrosion - Ammonium Bisulfide Corrosion - Oxidation and Scaling |
| Terms, Definitions, and Acronyms | 5% | |
| Other Damage Mechanisms | 15% | - Cavitation Damage - Erosion and Erosion-Corrosion - Microbiologically Influenced Corrosion - Liquid Metal Embrittlement |
| Mechanical and Metallurgical Failure Mechanisms | 15% | - Creep and Stress Rupture - Thermal Fatigue - Mechanical Fatigue - Brittle Fracture |
| High-Temperature Corrosion and Degradation | 15% | - Carburization - Metal Dusting - Graphitization - Decarburization |
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