Exam Name: Welding Inspection And Metallurgy
Certification Provider: API
Corresponding Certification: ICP Programs
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- Total Questions: 112
- Updated on: Nov 11, 2026
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- Total Questions: 112
- Updated on: Nov 11, 2026
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- Total Questions: 112
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API API-577 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Welding Procedures and Qualifications | 20% | - Procedure Qualification Record (PQR) - Welder performance qualification - Essential and non-essential variables - Welding Procedure Specification (WPS) |
| 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 |
| Welding Inspection Techniques | 15% | - Defect evaluation and acceptance standards - Non-destructive examination (NDE) methods related to welding - Inspection planning and documentation - Visual inspection methods and criteria |
| Welding Processes | 20% | - Welding parameters and their effects - Process principles, equipment, applications and limitations - Common welding processes (SMAW, GTAW, GMAW, FCAW, SAW, etc.) |
| Welding Materials and Consumables | 15% | - Consumable storage, handling and control - Filler metal classification and selection - P-number and F-number assignments |
| Welding Metallurgy | 20% | - Material properties and classifications - Heat-affected zone (HAZ) and microstructure changes - Weld defects and metallurgical causes - Phase transformations and cooling rates |
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The API Welding Inspection And Metallurgy exam contains 110 (100 scored, 10 pre-test) to complete within 195 minutes. Timed simulation in the ExamPrepAway Desktop Test Engine teaches that rhythm before exam day does.
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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 start with ExamPrepAway'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.
The official API Welding Inspection And Metallurgy outline defines 6 domains. The leading three are Welding Processes (20%), Welding Procedures and Qualifications (20%), and Welding Metallurgy (20%). The full list is in the topics section above, and ExamPrepAway's 112 practice questions cover each one.
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.
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 ExamPrepAway help you apply theory and fill any gaps the training leaves.
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 ExamPrepAway engines before booking is the cheaper option.
Three versions of the same study materials: 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.
API Welding Inspection And Metallurgy Sample Questions:
In alloy steel, a high hardness measurement could indicate:
- A. A correlation to a low tensile strength.
- B. The Brinell test device was struck too hard with the hammer.
- C. The presence of untempered martensite.
- D. The presence of tempered martensite.
Correct Answer: C 🗳️
Which of the following statements is true?
- A. All PQRs must be qualified with impact testing.
- B. PQRs qualified on P8 materials also qualify for P1 materials.
- C. One PQR may support several WPSs.
- D. Welding procedures must be supported by more than one PQR.
Correct Answer: C 🗳️
The simplest weldability tests are those that evaluate:
- A. Porosity and slag inclusions of the weld.
- B. Ductility and hardness of the weld.
- C. Cracking and corrosion resistance of the weld.
- D. Strength and ductility of the weld.
Correct Answer: D 🗳️
One limitation of a shielded metal arc welding (SMAW) process is that:
- A. The process is sensitive to wind and draft.
- B. It has low tolerance for contaminants.
- C. Deposition rates are lower than GMAW.
- D. The process cannot be used in areas of limited access.
Correct Answer: C 🗳️
A welding engineer or inspector should be notified when a weld has failed a weld quality test more than how many times in order to help determine the cause of the test failure?
- A. TWICE
- B. FOUR TIMES
- C. THREE TIMES
- D. ONCE
Correct Answer: A 🗳️
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