Certified Welding Inspector

What is the Pass Rate for the AWS CWI certification

The pass rate for the AWS CWI certification exam is not publicly disclosed, but it is widely acknowledged that the exam is challenging, and many candidates do not pass on their first try. It is estimated that the pass rate is between 25 to 40 percent for the first attempt.

The AWS CWI (Certified Welding Inspector) certification is a prestigious and sought-after qualification for professionals in the welding industry. Achieving CWI certification not only demonstrates your expertise but also opens doors to exciting career opportunities. However, it’s no secret that the CWI exam is challenging. One common question among aspiring CWIs is, “What is the pass rate for CWI certification?” In this article, we will explore the pass rate for the CWI certification exam and the factors that influence it.

Before delving into the pass rate, it’s essential to understand the CWI certification exam. The exam is designed to evaluate the knowledge, skills, and competencies of individuals who wish to become Certified Welding Inspectors. It consists of three main parts:

  1. Part A: Fundamentals of Welding
  2. Part B: Practical Applications
  3. Part C: Code Book Examination

Part A assesses the candidate’s fundamental knowledge of welding processes, safety procedures, and welding terminology. Part B focuses on practical skills, including visual inspections, interpreting welding symbols, and evaluating weld discontinuities. Part C is dedicated to the code book examination, where candidates must demonstrate their ability to interpret and apply welding codes and standards, primarily using the AWS D1.1 code book.

The Challenge of the CWI Exam

The CWI exam is recognized for its difficulty. The exam’s comprehensive content, stringent prerequisites, and the demanding preparation process make it a significant undertaking. Success requires a deep understanding of welding principles, welding codes and standards, and practical inspection skills.

Factors Influencing the Pass Rate

The pass rate for the CWI certification exam can vary from one testing period to another and is influenced by several factors, including:

  1. Candidate Preparation: The level of preparation, dedication, and study habits of candidates play a crucial role in the pass rate. Candidates who invest more time and effort into their preparation are more likely to succeed.
  2. Experience: The candidates’ level of experience in welding-related fields is a significant factor. The experience requirement ensures that candidates have practical knowledge and exposure to the industry. Those with more extensive experience may have an advantage.
  3. Quality of Educational Resources: The availability and quality of educational resources, including preparatory courses, practice exams, and textbooks, can impact candidates’ readiness for the exam. Access to structured guidance and experienced instructors can make a difference.
  4. Changes in the Exam: The pass rate may vary if there are changes in the format or content of the CWI exam. The American Welding Society (AWS) periodically reviews and updates the exam to reflect industry advancements and standards.
  5. Number of Candidates: The pass rate can also be influenced by the number of candidates taking the exam during a specific testing period. A larger pool of candidates can lead to increased competition.

To increase your chances of passing the CWI exam, consider the following tips:

  1. Comprehensive Preparation: Invest time in comprehensive preparation, including self-study, preparatory courses, and practice exams.
  2. Practical Experience: Gain hands-on experience in welding and welding inspection, as practical skills are a crucial part of the exam.
  3. Familiarity with Welding Codes: Thoroughly understand and interpret welding codes and standards, particularly the AWS D1.1 code book.
  4. Seek Guidance: Reach out to experienced professionals and mentors who can provide guidance and insights.
  5. Persistence: Understand that passing the CWI exam may require multiple attempts. Don’t be discouraged by a single unsuccessful attempt; persistence can lead to success.


The pass rate for the AWS CWI certification exam is not publicly disclosed, but it is widely acknowledged that the exam is challenging, and many candidates do not pass on their first try. Success in the CWI exam requires dedication, preparation, experience, and a deep understanding of welding and inspection principles. As you embark on your journey to become a Certified Welding Inspector, remember that the rewards, including career opportunities and contributions to safety and quality in the welding industry, make the effort well worth it.

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