The AWS Certified Welding Inspector (CWI) certification is a prestigious credential in the welding industry, demonstrating a thorough understanding of welding processes, inspection techniques, and quality control. This blog post will outline the key topics covered in the AWS CWI exam, helping you prepare effectively.
To earn this certification, candidates must successfully pass three distinct examinations: Parts A, B, and C. Each part evaluates different aspects of welding knowledge and practical skills.
Exam Requirements
To achieve the CWI credential, candidates must score at least 72% on each of the three parts. After completing Parts A and C, candidates will receive a consolidated score report via email within approximately two weeks. For those interested, a complete seminar and exam schedule can be accessed on the AWS website.
Exam Formats
The AWS administers the CWI exams in various formats:
- Parts A and C: These are conducted as computer-based tests (CBT) at over 450 Prometric Exam Centers worldwide. For further details on CBT, including testing locations, preparation materials, security protocols, and navigation assistance, candidates can visit the AWS Computer-Based Testing page.
- Part B: This practical exam is held at designated AWS educational seminar locations, both in the United States and internationally. Candidates can find information about international seminars and exams on the AWS International Agents page.
Breakdown of Exam Parts
Part A – Fundamentals Exam
This component consists of 150 multiple-choice questions covering essential topics such as:
- Destructive Testing
- Fabrication Mathematics
- Safety Protocols
- Metallurgy
- Nondestructive Testing
- Welding Symbols
- Welding Procedure Specifications (WPS) and Procedure Qualification Records (PQR)
- General Welding Fundamentals
For more detailed information, candidates can refer to the Examination Information Guide.
Part B – Practical Exam
Part B includes hands-on activities that require candidates to utilize equipment provided by AWS, alongside 46 related questions. Key activities include:
- Application of WPSs and PQRs
- Use of various inspection tools and techniques
- Performance of required welds
Additional details are available in the CWI Part B Examination Information Guide.
Part C – Code Book Exam
Part C is an open-book examination designed to assess candidates’ ability to locate and comprehend information within a code book. This part contains 50 to 65 questions based on specific code book editions. Candidates are allowed to bring one of the following code books to the exam:
- AWS D1.1 – Structural Steel Code: 2020 Edition
- API 1104 – 22nd Edition: Welding of Pipelines and Related Facilities
- AWS D1.2 – Structural Aluminum Code: 2014 Edition
- AWS D1.5 – Bridge Welding Code: 2015 Edition (including Clause 12)
- AWS D15.1 – Railroad: 2012 Edition
- AWS D17.1 – Aerospace: 2017 with Amendment 2
- ASME BPVC Section IX (2019 Edition), B31.1 (2018), and B31.3 (2018)
- ISO Standards
Qualification Requirements for the Certified Welding Inspector (CWI) Credential
To qualify for the Certified Welding Inspector (CWI) credential, candidates must meet specific educational and work experience criteria, as well as pass a vision test. Below is a detailed breakdown of the minimum educational requirements and corresponding work experience needed to achieve this certification.
Educational and Work Experience Requirements
| Educational Background | Maximum Work Experience Substitution | Minimum Welding Work Experience Required |
|---|---|---|
| Bachelor’s degree in welding engineering or welding technology | 4 years | 1 year |
| Associate’s degree in welding or a non-welding related engineering technology, engineering, or physical science | 3 years | 2 years |
| Engineering/Technical courses applicable to a Bachelor’s degree in welding | 2 years | 3 years |
| Trade/Vocational courses | 1 year | 4 years |
| High school diploma or approved equivalency | N/A | 5 years |
| 8th grade education | N/A | 9 years |
| Less than 8th grade | N/A | 12 years |
Additional Notes
- Vision Test: All candidates must pass a vision test as part of the qualification process. This ensures they can effectively perform inspections and identify potential issues during the welding process.
- Supporting Documentation: Candidates must provide appropriate documentation to verify their educational qualifications and work experience. This documentation is essential for assessing eligibility for the CWI examination.
- Work Experience: The welding work experience must be relevant and may include roles such as welders, welding supervisors, and quality control personnel. Experience in related fields may also be considered, depending on the educational background.
Application Documents
Before starting the application process, all applicants should download, review, and fill out the following necessary documents:
- Employment Verification Form
- Visual Acuity Exam Form
- Additional Qualifying Work Experience Form
- Photo ID Requirements
Conclusion
Preparing for the AWS Certified Welding Inspector exam requires a comprehensive understanding of welding principles, inspection techniques, and relevant codes. By familiarizing yourself with the structure and content of the exams, you can enhance your chances of success in obtaining this esteemed certification. Good luck on your journey to becoming a CWI!
