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About this exam

The Senior Certified Welding Inspector (SCWI) is described by AWS as its highest level of certification and as recognized industry-wide. It is built for experienced Certified Welding Inspectors who want to demonstrate a deeper command of advanced nondestructive examination topics, quality systems, procedure qualification, and related areas of expertise. The route to the credential has changed: there is no longer a standalone SCWI exam. AWS states that the standalone SCWI exam is retired and that candidates now qualify step by step by completing four required endorsements - Welder Performance Qualifier (WPQ1), Welding Procedure Qualifier (WPQ2), Welding Coordination and QA (WCQA), and Nondestructive Examination Coordination (NDEC). Completing all four earns the SCWI credential. Once held, the credential is renewed every 5 years and recertified every 10 years. Because the path is now endorsement-based, preparation means studying each endorsement's body of knowledge in turn - welder and procedure qualification practice, quality assurance and coordination, and NDE coordination - rather than cramming for one comprehensive exam. Applications for certifications and endorsements must now be submitted online through the My AWS Portal. This page is independent study material and is not affiliated with or endorsed by AWS; always confirm requirements against current AWS program documents before applying.

What you'll study

Common questions

About SCWI preparation

Do I still have to sit a single SCWI exam?

No. Per AWS, the standalone SCWI exam is retired. Candidates now qualify step by step by completing four required endorsements - WPQ1, WPQ2, WCQA, and NDEC - which together earn the SCWI credential. Plan your study around the four endorsement bodies of knowledge rather than one comprehensive test.

Which four endorsements are required?

Welder Performance Qualifier (WPQ1), Welding Procedure Qualifier (WPQ2), Welding Coordination and QA (WCQA), and Nondestructive Examination Coordination (NDEC). AWS lists all four as the required combination for SCWI qualification.

Who is the SCWI intended for?

Experienced Certified Welding Inspectors. AWS describes the credential as being for CWIs who have a deeper understanding of advanced NDE topics, quality systems, procedure qualifications, and other areas of expertise. It is positioned as the highest level of certification AWS offers.

How long is the credential valid, and what comes after?

AWS states renewal every 5 years and recertification every 10 years. Treat these as two separate milestones and diarise both - renewal is the nearer deadline and is easy to lose track of when you hold several AWS credentials on different cycles. Confirm current mechanics on the AWS certification pages.

How do I submit my application?

Beginning January 15, 2026, AWS no longer accepts paper applications for certifications or endorsements. All applications must be submitted online through the My AWS Portal. Create or log in to your account to complete the application digitally, and review the Portal Application Submission Instructions before you start.

In what order should I work through the endorsements?

AWS does not prescribe a sequence in its published material. A practical approach is to start with the endorsement closest to your daily work, then build outward - qualification-focused endorsements often come naturally to inspectors who already review welder and procedure records, while WCQA and NDEC reward study of quality systems and NDE methods.

What topics should I study for the NDE and QA endorsements?

Advanced nondestructive examination topics and quality systems are the areas AWS cites as distinguishing SCWI holders. Expect to work through NDE method principles, acceptance criteria, and coordination of testing, plus quality assurance and welding coordination - document control, procedure and personnel records, and verification of compliance.

How much does the SCWI path cost?

AWS does not publish a single SCWI price; costs depend on the endorsements you pursue and any training you take. AWS directs candidates to its Program Price List for current pricing across certifications. Because the path is endorsement-based, budget per endorsement rather than for one exam fee.

What trips candidates up most often?

Two things: assuming an older single-exam route still applies, and letting paperwork lapse. The path is now endorsement-based, and paper applications are no longer accepted - everything goes through the My AWS Portal. Also watch the 5-year renewal and 10-year recertification dates, which are easy to miss.