Choose an honest cooperator for your 2026 certification push: PracticeVCE pairs the API Welding Inspection And Metallurgy practice set (112 practice questions) with instant delivery, free updates, and 24-hour online support.
API API-577 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| 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 - Visual inspection methods and criteria - Inspection planning and documentation |
| Welding Metallurgy | 20% | - Material properties and classifications - Phase transformations and cooling rates - Heat-affected zone (HAZ) and microstructure changes - Weld defects and metallurgical causes |
| 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% | - Filler metal classification and selection - Consumable storage, handling and control - P-number and F-number assignments |
| Welding Procedures and Qualifications | 20% | - Welder performance qualification - Essential and non-essential variables - Procedure Qualification Record (PQR) - Welding Procedure Specification (WPS) |
API Welding Inspection And Metallurgy FAQ — Straight Answers
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The API Welding Inspection And Metallurgy runs Online remote proctored or in-person at Prometric test centers — pick the format that fits your schedule when booking.
The API Welding Inspection And Metallurgy syllabus is organized into 6 domains — including Welding Inspection Techniques (15%), Welding Materials and Consumables (15%), Welding Processes (20%). The percentages show where the exam concentrates its points; weight your revision the same way. The complete outline is listed above.
195 minutes for 110 (100 scored, 10 pre-test) questions — that's the official shape of the API-577 exam. Divide your minutes per question before test day, flag and skip anything that stalls you, and rehearse full timed runs in the PracticeVCE engine until pacing is automatic.
Yes. The free API Welding Inspection And Metallurgy demo at PracticeVCE lets you judge the question quality before paying. Purchases include 365 days of free updates; after that, renew at half price.
The API Welding Inspection And Metallurgy is API's certification exam for Welding Inspection and Metallurgy Certification, a Specialist-level credential. Employers value it because it verifies real skills, not attendance. Related credentials include API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector.
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Yes:
Training explains; practice proves. Follow any course with the 112 practice questions for the API Welding Inspection And Metallurgy to confirm the knowledge stuck.
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) Because vendors adjust eligibility rules from time to time, verify the current requirements on the official page (official API-577 exam page) before you register.
$440 USD per attempt, Scaled score, approximately 70% to pass. Retakes cost the full fee again, so treat the 112 practice questions from PracticeVCE as your dress rehearsal — and go in prepared the first time.
API Welding Inspection And Metallurgy Sample Questions:
Which of the following is not usually an essential variable on a WPS form?
- A. Welding position
- B. Groove design
- C. Welding technique
- D. Base metal
Correct Answer: C 🗳️
Which of the following can result from residual magnetism left in a partially completed weld?
- A. Solidification cracking
- B. Excessive distortion
- C. Tendency of weld pool to be sluggish
- D. Deflection of the weld arc
Correct Answer: D 🗳️
Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?
- A. 24 in.(600 mm)
- B. 36 in. (900 mm)
- C. 6 in. (150 mm)
- D. 12 in. (300 mm)
Correct Answer: D 🗳️
One of the main differences between welding nickel alloys and austenitic stainless steels is that with nickel alloys:
- A. There is less susceptibility to cracking from contaminants.
- B. Interpass temperature control is not needed.
- C. There is less susceptibility to lack of fusion.
- D. The weld pool tends to be sluggish.
Correct Answer: D 🗳️
The distance the weld metal extends from the weld face into a joint, exclusive of weld reinforcement is called:
- A. Complete penetration
- B. Groove angle
- C. The weld body
- D. Joint penetration
Correct Answer: D 🗳️
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