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) Rules change occasionally, so verify the current requirements on the official API exam page before you schedule.

All three versions in a single purchase: 151 practice questions for the API Corrosion and Materials Professional exam as a printable, expert-prepared PDF — ideal if you learn best by annotating paper; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. Use whichever version fits each moment, or all of them together. You also get a free demo, 365 days of free updates, a 50% renewal discount after the first year, and unlimited computer installations.

The API-571 exam is a API certification exam validating the knowledge in the API Corrosion and Materials Professional syllabus shown above. It belongs to these credential paths: API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector. Beyond theoretical knowledge, employers want demonstrated skills — and this credential provides that evidence in 2026's competitive market. ActualVCE helps you prepare with 151 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.

Computer-based testing (CBT) at Prometric test centers; online proctored option available Registration for the API Corrosion and Materials Professional exam runs through these official channels:

• API ICP Portal
• Prometric Scheduling

Your ActualVCE practice questions arrive by email within 1 minute of purchase, so preparation can begin the day you book.

The API Corrosion and Materials Professional exam contains 110 (100 scored, 10 unscored pretest) to be completed within 195 minutes. That leaves limited time per question, so rehearsing under the same clock with the ActualVCE Desktop Test Engine is time well spent.

The official API Corrosion and Materials Professional outline defines 6 domains. The top three are High-Temperature Corrosion and Degradation (15%), Environmentally Assisted Cracking (25%), and Uniform or Localized Loss of Thickness (25%). See the full list in the topics section above — ActualVCE's 151 practice questions span every domain.

ActualVCE issues a full refund if you take the API Corrosion and Materials Professional exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. To claim, submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam — processing takes up to 7 days. Alternatively, exchange for two free exam products of equal value while keeping your original product's update service. Delivery is by email within 1 minute; contact support if nothing arrives within 2 hours.

The API Corrosion and Materials Professional exam requires 70% / Scaled score determined by API to pass, and registration costs $440 USD. A retake costs the same fee again — one more reason to gauge your readiness with the ActualVCE practice engines before exam day.

API recommends the following training for the API Corrosion and Materials Professional exam:

• API RP 571 Damage Mechanisms Standard

Complement the official training with the 151 practice questions from ActualVCE — they show you whether the knowledge holds up under exam-style questioning.