

A remote WPS review gives you certainty before your welding documents reach the client, the third-party inspector or the Authorized Inspector. You upload your welding procedure specifications, the supporting PQR or WPQR and your welder qualifications, and a DEHAAS specialist checks the package against the code in your contract: ASME Section IX, AWS D1.1, EN ISO 15614-1 or ISO 9606-1. You receive a findings report covering every document, any missing variables and the corrections required.
The service is built for fabricators and contractors in the United States, Canada, the UK, Germany and across Europe, and for anyone supplying to a client who works to a different code than their own shop. Everything runs online, so your location is irrelevant. DEHAAS is an independent welding consultancy with no interest in selling extra qualifications or new test coupons.
Welding documents are often rejected when the job is already scheduled. The client's inspector notices that the thickness range on the WPS exceeds what the PQR supports, or that a welder's certification has lapsed because the process has not been used for months. At that point every correction costs days, and sometimes a new test coupon.
An independent welding procedure review before submission brings those issues to the surface. Cross-border work is where most problems arise: an ISO qualification is submitted for an ASME project, or a client specification adds impact test requirements that the original qualification never covered. We check the individual documents and whether they form a consistent package.
You can also put an initial question to the online DEHAAS Welding & Quality Assistant. Formal conclusions are always reviewed by an experienced specialist.
For ASME Section IX we check essential, supplementary essential and nonessential variables, base metal P-Numbers, filler metal F-Numbers and A-Numbers, and the ranges the PQR genuinely supports. For AWS D1.1 we verify whether a WPS can legitimately be treated as prequalified or needs qualification by testing.
For EN ISO 15614-1 we review the range of qualification, the material groups to ISO/TR 15608 and the chosen level 1 or level 2. For welder certification to ISO 9606-1 we look at the range of qualification and the six-monthly confirmation. Our article on ASME IX versus ISO 15614-1 explains the differences between the two systems.
A sound procedure is only half the story. Your client also wants evidence that the welders doing the work are qualified for exactly that combination of process, position, thickness and diameter. Under ASME IX the record is the welder performance qualification, or WPQ, while in the US it is commonly called welder certification. Under ISO 9606-1 it is a welder qualification certificate with its own range of qualification.
Validity rules differ between systems. ASME IX and AWS D1.1 qualifications lapse when a welder has not used the process for more than six months. ISO 9606-1 requires six-monthly confirmation and revalidation by one of the methods set out in the standard. We check that each qualification matches the WPS the welder works to, and that continuity is properly documented.
For each finding we state whether an editorial correction is sufficient or whether a supplementary test or new qualification is needed, so you know the most economical route straight away.
If a procedure or welder qualification has already been rejected, we assess whether the rejection is supported by the code text. Comments are sometimes based on a different code, an outdated edition or an internal client preference that never made it into the contract. In that case we prepare a technical response with clause references, so the discussion with the inspector is about facts.
If the rejection stands, we identify the shortest route to a valid package. Sometimes that is an addition to the existing record, sometimes a new procedure qualification is the only sound option.
For a refresher on how the documents relate, read our article on the difference between a WPS and a WPQR.
A tailored quote in a few clicks. You get an answer from a welding coordinator.
Independently assessed, demonstrably recorded
The questions we are asked most often.
Not automatically. EN ISO 15614-1 and ASME IX classify variables differently and require different tests. An existing WPQR can sometimes satisfy ASME requirements, provided every variable and test demonstrably complies. We establish that document by document.
At minimum the WPS, the supporting PQR or WPQR with laboratory reports, and the welder qualification records. Include the client specification or relevant contract clause as well, since it often goes further than the code itself.
No. Where a code or regulation requires an Authorized Inspector, examiner or notified body, that party remains responsible. Our review makes sure your package is complete and correct before it reaches them.
Yes. The review is fully online and available to companies in North America, the UK and the rest of Europe. We report in English or Dutch.
Just ask it. You get a personal answer from a welding coordinator who has done the work, not from a salesperson.
Send your request Call 06 29 72 37 91