Manufacturing & MES

Digital Product Passports for Steel: What Fabricators Actually Need to Track

The EU DPP registry went live in July 2026, but the iron and steel delegated act is still a draft. What the JRC proposal says the steel passport will hold, why the obligation sits with mills, and what fabricators should record now.

H

Hamze Zare Nasiri

September 23, 2026

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Most of what has been written about the EU Digital Product Passport for steel is aimed at mills and software vendors. If you run a fabrication shop, cutting, welding, coating and shipping structural steel, the useful question is narrower: which of this is actually your obligation, when, and what data do you need to stop losing today so you are not scrambling later?

We build a manufacturing execution system for steel fabricators, so we read the primary documents rather than the summaries. Here is what they say, and where they deliberately do not say anything yet.

Where things stand in September 2026

Three facts are settled:

The Ecodesign for Sustainable Products Regulation (ESPR), Regulation (EU) 2024/1781 is the legal basis for product passports across product groups. The Commission's first ESPR working plan (April 2025) named iron and steel as one of the first product groups to get rules.
The EU Digital Product Passport Registry went live on 20 July 2026, together with a testing environment. Its operating rules are in Implementing Regulation (EU) 2026/1778. The Commission lists steel among the product groups the registry is being built for.
The revised Construction Products Regulation, Regulation (EU) 2024/3110, has applied since 8 January 2026, and it sets up its own construction product passport.

One thing is not settled: the delegated act that would make a steel passport mandatory and define its exact content has not been adopted. What exists is a JRC Science for Policy report, "Study on DPP content for iron and steel products under ESPR", which describes itself as a draft proposal for stakeholder consultation in spring 2026 and says its design choices may still change during the impact assessment. Any article that gives you a firm steel compliance date is guessing. Once a delegated act is adopted, ESPR generally leaves industry a transition period before requirements apply, so the practical window is still ahead of us. But there is no official date to plan against yet.

First surprise: the steel passport is not yours to create

The JRC proposal scopes the steel passport to intermediate products placed on the EU market: slabs, billets, hot-rolled coil, wire rod, galvanised coil, electrical and stainless steel. The obligation sits with the manufacturers and importers who place those products on the market. The report explicitly separates these from final products, the end-use goods made by downstream industries, and it names construction elements among them.

A fabricator is downstream. In practice that means two things:

You will receive steel passports from your mills and stockholders, keyed to heat numbers, alongside or eventually instead of the PDF mill certificates you get today.
What you sell, a beam, a truss, a welded assembly, is a construction product, and that falls under the CPR's construction passport, not the ESPR steel one. The CPR passport becomes mandatory product by product through delegated acts once the system is operational. That timing is not fixed either.

So the real job for a fabricator is not "build a passport". It is to be able to take structured data in at goods receipt and hand structured data on at dispatch, with nothing lost in between. EU importers already need the same per-shipment mill data for CBAM, which covers fabricated structures under CN 7308; we went through what Gulf fabricators owe before September 2027.

What the steel passport is expected to contain

The JRC's summary table (Table 16) is the most concrete description available. The headline points, as proposed:

The heat number is the primary identifier. The report recommends the heat number as the mandatory batch-level identifier, following EN 10168, with the cast or lot number as an optional extra and item-level serial numbers only where customers already require them, for example on coils.
Product classification: steel grade (EN 10020), steel designation (EN 10027-2), customs codes (TARIC, HS/CN), and the production route.
Producer and origin: facility and operator identifiers, country of origin, where it was melted and poured, and manufacturing date.
Technical and material data that today travels on EN 10204 inspection certificates (type 3.1 or 3.2): chemical composition and mechanical properties per heat.
Substances of concern, with restricted access.
Environmental data: a product carbon footprint declaration and recycled content, at batch or model level depending on the final rules.

The report is candid about cost. Using identifiers that already exist, such as heat and batch numbers, is described as low effort. Moving a plant that tracks by batch to item-level traceability is described as expensive, with industry feedback of at least roughly EUR 100,000 per installation plus running costs. That is exactly why heat-level granularity is the proposal.

The data carrier (QR code, DataMatrix, RFID) and the registry's technical design are out of scope for the steel rules. They are being set horizontally for all product groups through CEN/CENELEC JTC 24 standards.

The fabricator's weak point: where the heat number gets lost

If the passport hangs off the heat number, then the question for a fabrication shop is simple. For every part you ship, can you say which heat it was cut from?

In our experience the chain breaks in predictable places:

Goods receipt. Plates and sections are booked in by size and grade, and the mill certificate is scanned into a folder that nothing else links to.
Nesting and cutting. One plate becomes thirty parts across several assemblies. Offcuts go back to the rack without their heat number painted or tagged on them, and next month they are "unknown material".
Substitution. Stock runs short and a similar plate from a different heat gets used. Nobody updates the paperwork.
Handover at dispatch. The quality dossier is assembled by hand at the end of the job, which is when the gaps become visible and are hardest to close.

None of this is new. EN 1090 execution classes and project specifications have asked for material traceability for years. What changes with passports is that the data has to be structured and machine-readable, and your customer will start expecting it in that form. Invoicing is heading the same way: in the UAE, larger businesses have to send structured e-invoices through an accredited provider from January 2027.

Mapping passport data to what a fabrication MES already records

Here is how the proposed fields line up with records a fabricator should already keep per part. We use our own system, Fidar MES, as the concrete example, because we know exactly what it stores. To be clear, it does not generate or register EU passports today, and we will not claim it does until the delegated acts exist to build against.

Heat number, grade, mill, received date: kept against each heat on receipt, and linked heat to material to part, so a part's traceability view shows which heat it came from. Heats can be booked before the mill certificate arrives and completed later, which matches how deliveries really work.
Bill of materials: imported from the Tekla model rather than retyped, so every part in the passport chain exists as a record from the start.
Transformation events: weld logs checked against the qualified WPS and welder qualification (WPQ), NDT results, and coating measurements (dry film thickness) recorded per part. A part cannot move to "coated" without a passing coating record.
Non-conformances: NCRs and their corrective actions linked to the affected parts.
Handover: the final manufacturing record book is generated from these records and refuses to produce a complete book if evidence is missing, listing the gaps instead.

That last point matters more than it sounds. A passport is only as good as the underlying records, and a system that quietly omits a missing NDT result will produce a clean-looking passport that is wrong.

We covered the recall side of this, what happens when a heat turns out to be bad and you need to find every part made from it, in manufacturing traceability and recall risk, and the weld and inspection chain in WPS, WPQ, NDT and NCR linked to each part.

What to do now, while the rules are still drafts

Treat the heat number as mandatory on every part and every offcut. This is cheap today and will not change: it is the identifier the JRC proposal is built around.
Stop filing mill certificates as images only. Capture at least the heat number, grade, chemical composition and mechanical properties as data at goods receipt. Mills will move to structured formats; you want somewhere to put them.
Record fabrication, coating and inspection events against parts, not against jobs. A job-level folder cannot answer "which parts came from heat X".
Ask your mills and stockholders what they plan to send. The steel passport obligation is theirs; the sooner you know their format, the less rework later.
Watch two things, not ten: the adoption of the ESPR iron and steel delegated act, and the CPR delegated acts for structural metallic products. Those two documents will contain the dates and the final field lists.

If you want to see how part-level heat traceability and QC evidence look in a working system, have a look at Fidar MES. And if you know of a primary source we missed, tell us. This area is still moving, and we will update this article when the delegated acts are published.

Sources

If you also sell inside the UAE, the one-day ITTI assessment under Factory Forward asks for much of the same evidence; we listed five questions a steel shop should be ready to answer there.