Exam Name: Corrosion and Materials Professional
Certification Provider: API
Corresponding Certification: ICP Programs
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Instant Download API : API-571
Check Updated on: Sep 15, 2026
No. of Questions: 151 Questions & Answers with Exam Engine
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- Total Questions: 151
- Updated on: Sep 15, 2026
- Price: $59.98
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- Total Questions: 151
- Updated on: Sep 15, 2026
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PDF Practice Q&A's
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- Total Questions: 151
- Updated on: Sep 15, 2026
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Knowing the subject is only part of API-571 preparation; applying it under time limits is another. In 2026, Actual4dump test engines let you practice API Corrosion and Materials Professional questions in timed modes and review your progress across the 151-question set.
API API-571 Exam Overview:
| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | API 571 - Corrosion and Materials Professional Certification Examination |
| Exam Number: | API-571 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 3.5 hours (210 minutes) |
| Exam Format: | Multiple Choice |
| Real Exam Qty: | 100 |
| Exam Price: | $900 USD (exam fee through API) |
| Related Certifications: | API 570 Piping Inspector API 653 Aboveground Storage Tank Inspector API 510 Pressure Vessel Inspector |
| Available Languages: | English |
| Passing Score: | Minimum passing score determined by API using the modified Angoff method (typically around 70%) |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-Based Testing (CBT) at PSI test centers |
| Pre Condition: | Candidates must hold a current API 510, 570, or 653 certification to automatically qualify. Otherwise, qualification is based on education and a minimum of 1-5 years of experience in the petrochemical industry acquired within the last 10 years. |
| Official Syllabus URL: | https://www.api.org/products-and-services/individual-certification-programs/certifications/api571 |
API API-571 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Damage Mechanisms | - General / Mechanical
|
API API-571 Certification Exam FAQ
The API-571 exam, Corrosion and Materials Professional, assesses whether a candidate can apply API knowledge to the skills measured by this credential. It is associated with the ICP Programs certification. The certification is positioned at the Professional level. Related credentials include API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector.
The API-571 exam includes 100 questions and allows 3.5 hours (210 minutes). Plan your pacing before exam day rather than calculating it under pressure. Timed sessions with Actual4dump practice tests can help you decide when to flag a difficult item, keep moving, and reserve enough time for a final review.
The published passing score for API Corrosion and Materials Professional is Minimum passing score determined by API using the modified Angoff method (typically around 70%), and the official exam fee is $900 USD (exam fee through API). A retake requires budgeting for the full official fee again, so it is sensible to complete several timed practice tests before scheduling. Consistent results across the 151 practice questions can give you a clearer picture of your readiness.
The stated prerequisite information for API Corrosion and Materials Professional is: Candidates must hold a current API 510, 570, or 653 certification to automatically qualify. Otherwise, qualification is based on education and a minimum of 1-5 years of experience in the petrochemical industry acquired within the last 10 years. Before registering, review the eligibility details on the official exam page to confirm the requirements.
Yes. Actual4dump provides a free PDF demo so you can review the format and quality of the API Corrosion and Materials Professional practice questions before placing an order. Your purchase includes 365 days of free updates, and you can extend the update service after expiration at a 50% discount.
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The published API Corrosion and Materials Professional outline contains 1 major domains. The opening domains include:
- Damage Mechanisms (official weight not provided)
Review the complete Exam Topics section above for every domain and subtopic before planning your study time.
API Corrosion and Materials Professional Sample Questions:
Which family of alloys is more sensitive to hydrogen embrittlement during fabrication?
- A. Carbon -1/2 Molys
- B. Duplex Stainless Steels
- C. Chrome-Molybdenum Alloys
- D. High Strength Low Alloys
Correct Answer: D 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
(The signature mark of a mechanical fatigue failure is a "clam shell" type fingerprint:)
- A. With intergranular cracking
- B. That has concentric rings
- C. That has nonconcentric rings
- D. With microvoid coalescence
Correct Answer: B 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
In what damage mechanism does hydrogen combine with carbides in steel to form bubbles or cavities of CH#?
- A. High temperature hydrogen attack
- B. Hydrogen embrittlement
- C. Hydrogen blistering
- D. Hydrogen-induced cracking
Correct Answer: A 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
In a naphthenic acid corrosive (NAC) environment, what is the effect of sulfur?
- A. No effect
- B. Sulfide cracking
- C. Inhibition
- D. Corrosion accelerator
Correct Answer: C 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
Temper embrittlement is defined as:
- A. An increase in toughness caused by long-term exposure in the temperature range of 650°F to 1100°F (345°C to 595°C).
- B. An increase in ductility and notch toughness caused by postweld heat treatment (PWHT) or high- temperature service above 120°F (49°C).
- C. A reduction in ductility and notch toughness caused by postweld heat treatment (PWHT) or low- temperature service below 120°F (49°C).
- D. A reduction in fracture toughness caused by long-term exposure in the temperature range of 650°F to
1070°F (345°C to 575°C).
Correct Answer: D 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
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