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Exam Code: API-577
Exam Name: Welding Inspection And Metallurgy
Certification Provider: API
Corresponding Certification: ICP Programs
Exam Name: Welding Inspection And Metallurgy
Certification Provider: API
Corresponding Certification: ICP Programs
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Updated: Nov 11, 2026
No. of Questions: 112 Questions & Answers with Testing Engine
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Promotion and growth follow demonstrated skill, and demonstrated skill starts with preparation. iPassleader's API-577 question bank builds it methodically: 112 practice questions covering the API Welding Inspection And Metallurgy objectives, every answer expert-verified.
API API-577 Exam Overview:
| Certification Vendor: | American Petroleum Institute |
|---|---|
| Exam Name: | API 577 - Welding Inspection and Metallurgy |
| Exam Number: | API 577 |
| Exam Format: | Multiple Choice Exam |
| Related Certifications: | API 570 API 653 API 510 |
| Available Languages: | English |
| Recommended Training: | API 577 Training Courses (API or approved providers) American Welding Society (AWS) Training Resources |
| Exam Registration: | API Individual Certification Programs (ICP) Pearson VUE API Exams |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based exam delivered via authorized test centers (commonly Pearson VUE network) or approved proctoring arrangements. |
| Pre Condition: | Recommended experience in welding, fabrication, or inspection in the oil and gas or related industries; familiarity with ASME/API codes is beneficial. |
| Official Syllabus URL: | https://www.api.org/products-and-services/individual-certification-programs |
API API-577 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Welding Metallurgy | - Heat affected zone (HAZ) behavior and properties - Steel microstructures and phase transformations |
| Topic 2: Welding Procedures and Qualification | - WPS, PQR, and welder performance qualification - Applicable codes and standards overview |
| Topic 3: Inspection and Testing Methods | - Visual inspection techniques and acceptance criteria - NDE methods (RT, UT, PT, MT) overview |
| Topic 4: Welding Defects and Imperfections | - Cracks, porosity, slag inclusion, and lack of fusion - Causes and prevention of weld discontinuities |
| Topic 5: Welding Processes and Techniques | - Welding parameters and heat input fundamentals - Common welding processes (SMAW, GTAW, GMAW, SAW) |
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API recommends the following official training resources:
- API 577 Training Courses (API or approved providers)
- American Welding Society (AWS) Training Resources
Choose a course that matches your starting point, then reinforce it with steady question practice.
The API Welding Inspection And Metallurgy blueprint covers these core domains:
- Inspection and Testing Methods
- Welding Metallurgy
- Welding Processes and Techniques
The official outline lists further domains, all covered in our question bank.
API publishes these prerequisites for the API Welding Inspection And Metallurgy: Recommended experience in welding, fabrication, or inspection in the oil and gas or related industries; familiarity with ASME/API codes is beneficial..
Check the authoritative wording on the official certification page before registering.
Use the official registration channels below:
Select a test center or online session, and secure your date early for the best availability.
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API Welding Inspection And Metallurgy Sample Questions:
ACFM is an NDE technique ideal for inspecting:
- A. Fillet welds, J-welds, and seal welds.
- B. Nozzles, ring-grooves, and grind-out areas.
- C. Lap joint welds and uphill welding.
- D. Butt welds (single and double bevel) and plug welds.
Correct Answer: B 🗳️
If a nonessential variable is changed on a WPS, which of the following actions must occur?
- A. The welding procedure will need to be requalified by performing mechanical testing.
- B. The welding inspector can simply make the change on the WPS and initial as proof of acceptance.
- C. Impact testing must be performed at the discretion of the welding engineer.
- D. It may be changed on the WPS without requalifying the welding procedure.
Correct Answer: D 🗳️
API Recommended Practice 577 provides:
- A. Guidance on welding inspection during the fabrication and repairing of refinery equipment and piping.
- B. A definition of specific techniques and practices that should be used for welding inspection.
- C. A definition of welds that should be inspected in refinery and chemical plant equipment.
- D. Guidance on the extent and scope of inspection required for specific types of welds.
Correct Answer: A 🗳️
Exposed film that allows 1% of the incident light to pass through has a film density of:
- A. 4.0
- B. 3.0
- C. 1.0
- D. 2.0
Correct Answer: B 🗳️
What is the purpose of a PQR?
- A. To provide direction to the welder making production welds.
- B. To establish a welder's capability to make a quality weld.
- C. To establish the properties of the weldment.
- D. To document that a welder has correctly followed a WPS.
Correct Answer: C 🗳️
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