Welding Inspection And Metallurgy: API-577 Exam


"Welding Inspection And Metallurgy", also known as API-577 exam, is a API Certification. With the complete collection of questions and answers, PrepAwayPDF has assembled to take you through 112 Q&As to your API-577 Exam preparation. In the API-577 exam resources, you will cover every field and category in ICP Programs Certification helping to ready you for your successful API Certification.

  • Exam Code: API-577
  • Exam Name: Welding Inspection And Metallurgy
  • Total Questions: 112
  • Certification Provider: API
  • Corresponding Certification: ICP Programs
  • Updated on: Oct 14, 2026

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In 2026, a long-refined question bank and a steadily growing team of experts are the quiet foundation behind a dependable API-577 study tool. PrepAwayPDF brings that experience to your preparation with 112 practice questions for the API Welding Inspection And Metallurgy exam, organized so you spend your energy where it matters.

API API-577 Exam Overview:

Certification Vendor:American Petroleum Institute (API)
Exam Name:Welding Inspection and Metallurgy Exam
Exam Number:API-577
Certificate Validity Period:3 years
Exam Price:$440 USD
Exam Duration:195 minutes
Real Exam Qty:110 (100 scored, 10 pre-test)
Available Languages:English
Related Certifications:API 653 Aboveground Storage Tank Inspector
API 570 Piping Inspector
API 510 Pressure Vessel Inspector
Exam Format:Multiple-choice questions, Closed-book exam
Passing Score:Scaled score, approximately 70%
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

API API-577 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Welding Materials and Consumables15%- Filler metal classification and selection
- Consumable storage, handling and control
- P-number and F-number assignments
Topic 2: Welding Metallurgy20%- Weld defects and metallurgical causes
- Phase transformations and cooling rates
- Heat-affected zone (HAZ) and microstructure changes
- Material properties and classifications
Topic 3: Welding Processes20%- Process principles, equipment, applications and limitations
- Welding parameters and their effects
- Common welding processes (SMAW, GTAW, GMAW, FCAW, SAW, etc.)
Topic 4: Industry Applications and Standards10%- API RP 577 and related codes/standards
- Refining and petrochemical plant welding requirements
- Safety and quality control in welding operations
Topic 5: Welding Inspection Techniques15%- Inspection planning and documentation
- Non-destructive examination (NDE) methods related to welding
- Visual inspection methods and criteria
- Defect evaluation and acceptance standards
Topic 6: Welding Procedures and Qualifications20%- Procedure Qualification Record (PQR)
- Essential and non-essential variables
- Welding Procedure Specification (WPS)
- Welder performance qualification

Frequently Asked Questions About Our API-577 Material

The API Welding Inspection And Metallurgy exam contains 110 (100 scored, 10 pre-test) questions, and you will have 195 minutes minutes to complete them. Rehearsing with the same volume of questions under a timer builds the pacing habits that make exam day feel familiar.

The interactive test engine recreates the structure and pressure of the real testing experience, with the questions and verified answers presented the way you will see them on exam day. Working in that environment trains your timing and concentration, so nothing about the real API-577 exam feels unfamiliar.

This package includes 112 practice questions for the API Welding Inspection And Metallurgy exam. Every answer is verified by an experienced team of experts who review the question bank regularly, so you can rely on what you study.

The API Welding Inspection And Metallurgy exam is scored on a scale where Scaled score, approximately 70% is required to pass, and the official exam fee is $440 USD.

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)

You can confirm the current eligibility requirements on the official API-577 exam page before you register.

Yes. The PDF version can be printed and read whenever you have a free moment, while the PC test engine and online version let you practice on a computer or smartphone wherever you are. Whether your study time comes early in the morning or in short breaks between commitments, the material adapts to your day instead of the other way around.

The API Welding Inspection And Metallurgy practice questions are organized around the official exam objectives. Key topics include:

  • Industry Applications and Standards (10%)
  • Welding Inspection Techniques (15%)
  • Welding Metallurgy (20%)

Focusing on the core topics first keeps your preparation efficient instead of scattered.

Many candidates combine practice questions with official training. Recommended options include:

The API Welding Inspection And Metallurgy exam requires a score of Scaled score, approximately 70% to pass, and the official registration fee is $440 USD. Knowing both numbers up front helps you plan your preparation budget realistically.

You can register for the API Welding Inspection And Metallurgy exam through the official channels:

API Welding Inspection And Metallurgy Sample Questions:

Eddy current can be used to measure the:

  • A. Extent of bonding of coatings or claddings.
  • B. Thickness of surface coatings or cladding thickness.
  • C. Thickness of parent metal below alloy metal claddings.
  • D. Holidays in coatings or claddings.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Heating a round bar to an elevated temperature and then quenching one end is a test method to determine:

  • A. Thermal conductivity.
  • B. Temper embrittlement.
  • C. Heat treatability.
  • D. Hardenability.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Which of the following is an important aspect of a qualified WPS?

  • A. Welding program effectiveness
  • B. Maintaining project schedule
  • C. Fabrication quality control
  • D. Welder qualification
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Hardenability of a steel can be an indirect indicator of:

  • A. Cooling rate
  • B. Strength
  • C. Toughness
  • D. Weldability
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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?

  • A. Verify with pH paper that any surface liquid is "basic"
  • B. Steam out the piping system and dry
  • C. Neutralize and clean the surface within 6 in. (150 mm) of weld bevels
  • D. Grind the surfaces near the bevel to remove contaminants
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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