Getting Started: AWS Certified Associate Welding Inspector (CAWI) and Certified Welding Inspector (CWI)

Education and Experience Requirements

Certified Associate Welding Inspector shall have:

  • high school graduate and
  • min. of 2 years of qualified experience with welding fabrication and standards and directly involved in 1 or more qualified areas
  • alternatively, 2 years post-high school education in welding curriculum or engineering technology, engineering, or physical sciences, and a min. of 6 months experience in any of the welding functions

Note: CAWI shall perform inspections under the active supervision of a CWI or SCWI

Certified Welding Inspector shall have:

  • high school graduate and
  • min. of 5 years of qualified experience with welding fabrication and standards and directly involved in 1 or more qualified areas
  • alternatively, max. of 2 years of post-high school education may be substituted for an equal number of years of the required 5 years experience, as follows:
    • eng., eng. tech., or sc. degree; 2 years max.
    • eng. or eng. tech. courses; 2 years max.
    • trade/vocational courses related to welding; 1 year max.

Note: The areas of qualified experience options are listed in AWS B5.1 paragraph 5.5.

AWS Welding Inspector Examinations
Certified Associate Welding Inspector:
  • fundamentals; 2 hrs, closed-book
  • practical; 2 hrs
  • selected code; 2 hrs, open-book
  • min. grade: 60%
  • total: 6 hrs
Certified Welding Inspector:
  • fundamentals; 2 hrs, closed-book
  • practical; 2 hrs
  • selected code; 2 hrs, open-book
  • min. grade: 72%
  • total: 6 hrs
Code Exams:
  • AWS D1.1
  • AWS D1.2
  • AWS D1.5
  • AWS D15.1
  • API 1104
  • ASME IX, B31.1, and B31.3
  • ASME VIII-1 and IX
Renewals for CAWI, CWI, and SCWI
CAWI:
  • valid for 3 yrs, nonrenewable
CWI/SCWI:
  • 3 yrs reapply
  • 9 yrs re-exam; either a practical or code exam or by experience and continuing education (min. 80 PDH with 20 PDH within last 3 yrs)
Reciprocity and Recognition
From CSA to AWS
  • CSA W178.2 Level 1 to AWS CAWI with endorsement code(s)
  • CSA W178.2 Level 2 to AWS CWI with endorsement code(s)
From AWS to CSA
  • CAWI* to Level 1 with endorsement code(s)
  • CWI* to Level 2 with endorsement code(s), but only after 2 years as a CWI

* must write a 0.5 hr open-book W178.2 exam

Note: When applying as an AWS CWI for CSA W178.2 Recognition, you will be permitted to inspect the equivalent code endorsement(s) for which you wrote your AWS CWI exam.

For more information about CASTI's AWS CWI Exam Preparation courses, please visit:

This summary of educational requirements, examination and renewal, and recognition and reciprocity information is provided for your general overview. It is important that you read the complete documents containing these details as provided by CSA, AWS and CASTI.

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