API-571 exam dumps

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  • Exam Code: API-571
  • Exam Name: Corrosion and Materials Professional
  • No. of Questions: 151 Questions and Answers
  • Updated: Oct 16, 2026

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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:

  • 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.
  • 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.
  • 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.
  • Identify the various mechanical and metallurgical failure mechanisms such as brittle fracture, steam blanketing, stress rupture, cracking, thermal shock, fatigue and corrosion.

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How much API-571 Exam Cost

The price of the API-571 exam is $365 USD.

Who should take the API-571 exam

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.

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

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API API-571 Exam Syllabus Topics:

SectionWeightObjectives
Other Damage Mechanisms15%- Cavitation Damage
- Liquid Metal Embrittlement
- Microbiologically Influenced Corrosion
- Erosion and Erosion-Corrosion
High-Temperature Corrosion and Degradation15%- Metal Dusting
- Carburization
- Graphitization
- Decarburization
Mechanical and Metallurgical Failure Mechanisms15%- Mechanical Fatigue
- Brittle Fracture
- Thermal Fatigue
- Creep and Stress Rupture
Terms, Definitions, and Acronyms5%
Uniform or Localized Loss of Thickness25%- Corrosion Under Insulation (CUI)
- Ammonium Bisulfide Corrosion
- Hydrochloric Acid Corrosion
- Sulfidation
- Oxidation and Scaling
Environmentally Assisted Cracking25%- Chloride Stress Corrosion Cracking
- Caustic Stress Corrosion Cracking
- Sulfide Stress Cracking
- Hydrogen Embrittlement

API Corrosion and Materials Professional Sample Questions:

Sigma phase embrittlement can occur in which of the following piping materials operating at temperatures of 1000°F to 1750°F (538°C to 954°C)?

  • A. 400 series stainless steel (12Cr)
  • B. 300 series stainless steel
  • C. Monel 400
  • D. 5% chrome
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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What arbitrary value of hydrogen sulfide in water is often used as the defining concentration where cracking damage becomes a problem in carbon steel pipe?

  • A. 1 ppmw
  • B. 0.05%
  • C. 50 ppmw
  • D. 0.5%
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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(In an RBI assessment, sulfidation was identified as a credible damage mechanism and assigned a corrosion rate of 8 mpy (0.20 mm/yr). Which of the following are critical factors in sulfidation?)

  • A. Corrosion rate and concentration of sulfur species
  • B. Concentration of sulfur species, operating temperature, and metallurgy
  • C. Operating temperature and corrosion rate
  • D. Concentration of sulfur species and operating temperature
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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(What nondestructive examination (NDE) technique requires the least amount of surface preparation to locate wet H#S damage mechanisms?)

  • A. SWUT
  • B. LPT
  • C. ACFM
  • D. WFMT
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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(Hydrogen embrittlement of carbon steels is most likely to occur at temperatures of:)

  • A. 400 °F to 500 °F (204 °C to 260 °C)
  • B. 850 °F to 1000 °F (454 °C to 538 °C)
  • C. 650 °F to 850 °F (343 °C to 454 °C)
  • D. 50 °F to 200 °F (10 °C to 93 °C)
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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