CWS Certification

What the Certified Welding Supervisor Credential Is

The Certified Welding Supervisor credential is a professional certification from the American Welding Society (AWS) aimed at people who direct welding work rather than only perform it. It tests whether a candidate can read and apply drawings and specifications, control welding operations, manage safety, keep records, and keep production efficient. If you are looking for a plain-language definition first, our explainers on what CWS certification is and what CWS stands for cover the basics.

One point of clarity matters before anything else: the acronym "CWS" is used by several unrelated credentials in different industries. Everything on this page refers only to the AWS Certified Welding Supervisor program. If you are researching fees, dates or content, make sure the source you are reading is describing the welding supervisor credential and not another certification that happens to share the letters.

The program is documented in the AWS Examination User Guide for the CWS exam and in AWS QC13, the specification for certification of welding supervisors. Those documents are the authoritative references for scope and logistics, and this article draws on them.

Two Parts, Two Different Exams

Certification requires passing two separate examinations:

• Part A, Fundamentals of Welding Supervision: 150 questions covering the first ten examination objectives.
• Part B, Welding Practices & Economics: covers the eleventh objective, Productivity and Performance.

Both parts are computer-based and open-book, delivered at Prometric test centers. Questions are four-option multiple choice. Each part allows 2 hours of examination time, and scheduled seat time is 2.5 hours per part, so total examination time across both parts is 4 hours. A score of at least 70% is required on each part. For a deeper breakdown of how that threshold works, see our guide to the CWS passing score.

Because Part A is a 150-question exam in a 2-hour window, pacing matters even though the exam is open-book. Open-book does not mean unlimited time to look things up; it means you can verify details from approved references, not that you can learn the material during the exam. Our analysis of how hard the CWS exam is goes into how candidates typically experience that time pressure.

Who Qualifies to Sit for It

AWS sets baseline eligibility requirements for the credential:

• A high-school diploma or an approved equivalent.
• Three years of qualifying practical welding experience involving weldments fabricated to codes, specifications or other standards.
• Three years of documented relevant teaching may substitute for one year of practical experience.
• Two years of welding-supervision experience is preferred, though it is listed as preferred rather than mandatory.

Formal preparation training is optional. The current examination guide also requests visual-acuity documentation, so build that into your application checklist rather than discovering it late. The full application walkthrough is in our CWS requirements guide.

What counts as qualifying experience

The key phrase is weldments fabricated to codes, specifications or other standards. Experience that is purely informal or not governed by any written requirement is a weaker fit than work where you followed a welding procedure, a drawing, and an acceptance standard. When you document your history, describe the codes and specifications you worked under, not just job titles.

The 11 Examination Objectives and Their Weights

The examination guide publishes 11 headings with approximate weights. These are formal examination objectives, not a preparation curriculum, and the weights are approximate percentages that total 100%. Domains 1 through 10 correspond to Part A, and Domain 11 corresponds to Part B. The weights have not been converted into question counts, so treat them as emphasis guides rather than exact allocations.

For a domain-by-domain walkthrough of each area, read our complete guide to all 11 CWS content areas. Below are the points that deserve the most attention.

The remaining objectives (supervision fundamentals, materials, processes and equipment, inspection, records, and general applications of standards) are each 5%. Low weight does not mean ignorable. Together those six areas make up 30% of the published emphasis, which is the same as Productivity and Performance alone.

Open-Book Rules and Reference Logistics

The open-book format is one of the most misunderstood parts of the credential. Here is what the published rules establish:

• Permitted printed references must be original and either permanently bound or securely fastened through all pages. Loose sheets are prohibited.
• Approved calculators include four-function, construction and nonprogrammable scientific models.
• Digital references are supplied during the exam, except for the AWS Welding Handbook series.

That last point deserves emphasis: if the Welding Handbook series is part of your plan, you need to bring the physical volumes you intend to use, since those are not supplied digitally.

Making references work for you

In an open-book exam, a reference you have not used is almost as useless as one you do not have. Tab and annotate within whatever rules apply, and learn the layout of each book so you can find a weld symbol table, a safety provision or a cost formula in seconds. For a condensed set of facts worth memorizing so you are not looking up the basics, see our CWS cheat sheet.

Fees, Retests and Renewal Mechanics

The 2026 pricing from the AWS price list is structured around member and nonmember rates:

The nonmember initial price includes one year of AWS Individual Membership, which narrows the practical gap between the two rates. Retest fees are the same for members and nonmembers. A single-part retest is $445, while retaking both parts is $650, so if you are borderline on both, the combined price is meaningfully lower than paying for two separate retakes. For the full cost picture including preparation materials and references, see our CWS certification cost breakdown.

Keeping the Credential Active

Certification is valid for three years. Renewals happen at years 3 and 6 and are based on documented continued welding-supervisor activity. That makes ongoing documentation a real part of holding the credential: keep records of your supervisory roles and responsibilities as you go instead of reconstructing them at renewal time.

At year nine, recertification requires continued-activity documentation plus one of two paths:

• Passing both examination parts again, or
• Earning 80 professional development hours (PDHs) over the nine years, including at least 20 in the final three years.

The PDH route is cheaper ($455 member / $546 nonmember versus $615 / $706 by exam), but it requires disciplined tracking across nearly a decade. The requirement for at least 20 PDHs in the final three years prevents front-loading all your hours early.

Who Values the Credential

The credential is relevant wherever welding is performed under codes, specifications or quality requirements and someone must be accountable for supervising that work. Typical environments include fabrication shops, structural and pressure-vessel work, pipe and process construction, shipbuilding, heavy equipment manufacturing and other code-driven production. Employers in those settings use it as an objective signal that a supervisor understands both the technical and the managerial side of welding operations.

Job titles vary: welding supervisor, welding foreman, fabrication supervisor, quality or production lead and similar roles. For a closer look at where the credential shows up in postings, see our overview of CWS jobs, and for the compensation side, our CWS salary guide. If you are weighing the investment, our ROI analysis of CWS certification walks through the tradeoffs without relying on guesswork.

Sequencing Your Preparation Around the Weights

Preparation methods are covered in depth in our CWS study guide. Here is one way to align your calendar with the published weights, given that the exam is split into two parts you can approach separately.

Whatever calendar you choose, practice under timed conditions that mimic the real exam. The 150-question Part A format in a 2-hour window rewards candidates who know where to look. You can test yourself on the CWS practice tests to find weak domains before you pay for a seat, and our guide to CWS exam dates and scheduling explains how to plan your booking around your readiness.

Frequently Asked Questions