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PrepAwayETE has an unprecedented 99.6% first time pass rate among our customers. We're so confident of our products that we provide no hassle product exchange.
Economical and practical rarely travel together; PrepAwayETE insists on both. The API Welding Inspection And Metallurgy package is reasonably priced, packed with substance, and includes 112 practice questions across three learning modes.
| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | Welding Inspection and Metallurgy Exam |
| Exam Number: | API-577 |
| Exam Format: | Closed-book exam, Multiple-choice questions |
| Exam Duration: | 195 minutes |
| Passing Score: | Scaled score, approximately 70% |
| Certificate Validity Period: | 3 years |
| Related Certifications: | API 653 Aboveground Storage Tank Inspector API 510 Pressure Vessel Inspector API 570 Piping Inspector |
| Exam Price: | $440 USD |
| Real Exam Qty: | 110 (100 scored, 10 pre-test) |
| Available Languages: | English |
| Recommended Training: | API Recommended Training Resources |
| Exam Registration: | API Official Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online remote proctored or in-person at Prometric test centers |
| Pre Condition: | Hold current API 510, 570 or 653 certification; or BS/BE + 1 year experience; or 2-year degree + 2 years experience; or high school + 3 years experience (all within last 10 years) |
| Official Syllabus URL: | https://www.api.org/products-and-services/individual-certification-programs/certifications/api577 |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Welding Inspection Techniques | 15% | - Visual inspection methods and criteria - Non-destructive examination (NDE) methods related to welding - Inspection planning and documentation - Defect evaluation and acceptance standards |
| Topic 2: Welding Materials and Consumables | 15% | - Consumable storage, handling and control - Filler metal classification and selection - P-number and F-number assignments |
| Topic 3: Welding Procedures and Qualifications | 20% | - Welder performance qualification - Procedure Qualification Record (PQR) - Welding Procedure Specification (WPS) - Essential and non-essential variables |
| Topic 4: Industry Applications and Standards | 10% | - Refining and petrochemical plant welding requirements - Safety and quality control in welding operations - API RP 577 and related codes/standards |
| Topic 5: Welding Processes | 20% | - Process principles, equipment, applications and limitations - Welding parameters and their effects - Common welding processes (SMAW, GTAW, GMAW, FCAW, SAW, etc.) |
| Topic 6: Welding Metallurgy | 20% | - Weld defects and metallurgical causes - Phase transformations and cooling rates - Heat-affected zone (HAZ) and microstructure changes - Material properties and classifications |
PrepAwayETE issues a full refund if you take the API Welding Inspection And Metallurgy 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. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The official API Welding Inspection And Metallurgy outline defines 6 domains. The leading three are Welding Processes (20%), Welding Materials and Consumables (15%), and Welding Procedures and Qualifications (20%). The full list is in the topics section above, and PrepAwayETE's 112 practice questions cover each one.
Three versions of the same study materials, offering three learning modes: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 112 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Hold current API 510, 570 or 653 certification; or BS/BE + 1 year experience; or 2-year degree + 2 years experience; or high school + 3 years experience (all within last 10 years) Since requirements change over time, confirm the latest on the official API exam page before scheduling.
The API-577 exam is a API certification exam validating the API Welding Inspection And Metallurgy syllabus shown above. It belongs to these credential paths: API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector. Candidates in 2026 prepare for it with PrepAwayETE's 112 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
Online remote proctored or in-person at Prometric test centers Register for the API Welding Inspection And Metallurgy exam through these official channels:
After booking, PrepAwayETE delivers your practice questions within 1 minute — preparation starts the same day.
API recommends these training resources for the API Welding Inspection And Metallurgy exam:
Follow the training with steady self-testing — the 112 practice questions from PrepAwayETE help you apply theory and fill any gaps the training leaves.
The API Welding Inspection And Metallurgy exam contains 110 (100 scored, 10 pre-test) to complete within 195 minutes. Timed simulation in the PrepAwayETE Desktop Test Engine teaches that rhythm before exam day does.
The API Welding Inspection And Metallurgy exam requires Scaled score, approximately 70% to pass, and registration costs $440 USD. A failed attempt means paying the same fee again — a readiness check with the PrepAwayETE engines before booking is the cheaper option.
Which of the following is the test that can measure most aspects of weldability?
Correct Answer: C 🗳️
What is the "area of interest" on a weld radiograph?
Correct Answer: D 🗳️
Hardness testing of production welds and the HAZ requires test areas to be:
Correct Answer: C 🗳️
What is(are) the most appropriate action(s) to prepare an in-service carbon steel piping system that has been in caustic service for welding?
Correct Answer: A 🗳️
Steels usually require both preheat and PWHT if they have a carbon equivalent higher than:
Correct Answer: A 🗳️
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