Sector reference

CBAM and the iron and steel sector

Map CBAM (Carbon Border Adjustment Mechanism) iron and steel scope, product records, supplier data, annual mass, evidence gaps, and preparation steps; not legal, tax, or customs advice.

Last updated: 2026-08-11 · Sources: Regulation (EU) 2023/956 (consolidated text) · Regulation (EU) 2025/2083 · Commission Implementing Regulation (EU) 2025/2547 · Commission Implementing Regulation (EU) 2025/2546 · Commission Implementing Regulation (EU) 2025/2621 · EC DG TAXUD — Carbon Border Adjustment Mechanism · European Commission — CBAM sector resources

Who it matters for

EU importers of iron and steel products, their customs brokers, and the ESG, tax, and customs advisers supporting them — from stockholders and steel service centres to manufacturers importing steel inputs and finished articles.

Covered goods in this sector

The CN groups below are the iron and steel entries listed in Annex I of the consolidated regulation, drawn from the same reviewed dataset as the goods checker. Annex I mixes whole chapters, headings, and specific codes, so always confirm your exact 8-digit CN code with the goods checker.

• 72Iron and steel
• 2601 12 00Agglomerated iron ores and concentrates, other than roasted iron pyrites
• 7301Sheet piling of iron or steel, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel
• 7302Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialised for jointing or fixing rails
• 7303 00Tubes, pipes and hollow profiles, of cast iron
• 7304Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
• 7305Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406,4 mm, of iron or steel
• 7306Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel
• 7307Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
• 7308Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel
• 7309 00Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment
• 7310Tanks, casks, drums, cans, boxes and similar containers, for any material (other than compressed or liquefied gas), of iron or steel, of a capacity not exceeding 300 l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment
• 7311 00Containers for compressed or liquefied gas, of iron or steel
• 7318Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
• 7326Other articles of iron or steel

What to check first

• Confirm which of your iron and steel products fall within CBAM scope: the sector spans agglomerated iron ores, most of chapter 72, and a wide range of finished articles, while several ferro-alloys and ferrous waste and scrap are printed as exclusions.
• Check the exact CN code for each product with the goods checker rather than assuming a whole chapter is covered — short prefixes often mix in-scope and excluded lines.
• Start gathering embedded-emissions data from your steel suppliers early; this sector often has multi-tier supply chains where the data takes time to collect.
• Estimate your cumulative annual net mass to see whether the 50-tonne de-minimis threshold could be relevant to your imports.
• Put the key 2026–2027 CBAM dates on your internal calendar so nothing is left to the last quarter.

Why iron and steel scope needs a product-by-product map

Iron and steel is not one tidy product family for CBAM preparation. The adopted Annex I pattern reaches from an upstream ore product through a broad Chapter 72 entry to selected Chapter 73 articles, while Chapter 72 also contains printed exclusions. The reliable starting point is the exact customs record for each imported product, checked against the current derived goods list rather than a commercial label or a whole-chapter assumption.

A steel buyer may use one purchasing category for coil, plate, tube, fabricated frames, fasteners, and spare parts, but that category does not describe the way Annex I is structured. Chapter 72 has a broad iron-and-steel entry with specific exclusions printed beneath it. Chapter 73 works differently: selected headings for articles of iron or steel are listed. An agglomerated iron-ore product also appears outside those chapters. These are different scope patterns, so a single rule such as ‘all steel is covered’ or ‘only basic steel is covered’ loses the distinctions visible in the official list.

Recognise the scope pattern without building a second CN catalogue. For every goods line, retain the full code already used in the customs process, the official product description, the internal purchasing description, and the source date of the scope lookup. If a Chapter 72 product is close to a printed exclusion, keep that exclusion question visible. If a Chapter 73 article has several materials or functions, do not infer its classification from steel content alone. The goods checker can compare an entered code with the reviewed Annex I snapshot; it does not assign the code.

Commercial change can trigger a fresh review even when the supplier stays the same. A switch from coil to cut blanks, from seamless to welded tube, from loose components to an assembled structure, or from a standard fastener to a mixed kit can change the customs record and the evidence trail. Record the product version and import description that were actually used. That gives procurement, customs, and sustainability teams one factual line to discuss without the sector page issuing a scope verdict.

• Treat the broad Chapter 72 entry, its printed exclusions, selected Chapter 73 article headings, and the separate upstream ore entry as distinct lookup patterns.
• Keep the customs code and description beside the commercial SKU; do not classify from the words ‘steel part’ or from material percentage alone.
• Recheck the source record when fabrication, assembly, dimensions, coating, or presentation of the imported goods changes.
• Keep proposal-stage downstream material separate from the adopted current Annex I until a final act is published and reviewed.

Map the steel chain from mill route to imported article

A useful steel record follows the material through the mills and processors that shaped it. It identifies the steelmaking route, the producing installation, intermediate steel forms, later rolling or forming operations, and the fabricator or exporter linked to the imported goods. The purpose is traceability: it is not an emissions calculation and it does not decide which official method applies.

The same buyer-facing article can sit at the end of very different industrial chains. One chain may begin with ore-based ironmaking and primary steelmaking before casting and rolling. Another may use direct-reduced iron in a steelmaking route. Another may rely heavily on scrap in an electric melting route. After primary steelmaking, slabs, blooms, billets, or other intermediate forms can move to a separate rolling mill, tube mill, wire processor, forge, foundry, coating line, or component plant. Naming the route and sites prevents a trader’s company-level figure from being mistaken for the history of the ordered goods.

Build the map in physical order. Start with the installation that produced the iron or steel input. Then record the casting or intermediate product, the rolling or forming stage, heat treatment or coating where relevant, and the final fabrication stage. Add the commercial seller and exporter separately. A stockholder or service centre may be the direct supplier but may only slit, cut, bundle, or resell material produced elsewhere. The direct supplier remains an important contact, yet the production evidence may need to come from an upstream mill or processor.

Use neutral route labels supplied by the operator, supported by a source reference. Do not translate a marketing phrase such as ‘green steel’, ‘low-carbon’, ‘recycled’, or ‘renewable-powered’ into a CBAM data status. Those phrases may prompt useful follow-up questions, but the preparation record still needs the producing installation, reporting period, process description, quantity basis, emissions-data basis, and supporting documents. Use the applicable calculation and verification guidance to assess how those facts are treated.

• Primary stage: operator, installation, steelmaking route, reporting period, and material output.
• Intermediate stage: cast form or purchased steel input, source mill, batch or production reference where available.
• Conversion stage: rolling, drawing, forging, casting, tube making, machining, coating, or heat treatment performed at each site.
• Commercial stage: service centre, fabricator, trader, exporter, and the link from their order reference back to the producing sites.

Keep precursor and intermediate-product records connected

Steel preparation often depends on upstream inputs that are not visible in the finished article description. Keep each relevant precursor or intermediate steel product connected to its source installation, production process, quantity and reporting period. Preserve the supplier’s boundaries and references rather than reconstructing a precursor calculation during the initial sector review.

A bolt, pipe fitting, structural section, tank, or fabricated frame can arrive with a polished product data sheet that says little about the steel from which it was made. The data chain may need to reach back through rod, wire, billet, coil, plate, tube, or cast input to the installation that produced it. Use the adopted calculation rules and specialist precursor guidance for exact treatment; first make sure the commercial and production records can be joined without guessing.

For each upstream input named by a supplier, record its description, source installation and process, reporting period, quantity unit, data basis, and the downstream goods lines that rely on it. If one fabricator buys from several mills, do not merge all sources into one unlabeled average. If a mill changes during the year, date the change and identify affected orders. If a supplier provides only a corporate total, keep it as supplier-reported information and open a question for the installation and product link.

Scrap deserves the same disciplined treatment. Scrap use may be an important feature of a production route, but the word ‘recycled’ is not a complete route record and does not create a scope, calculation, or verification conclusion. Retain the operator’s description of the input mix and process, and leave formal treatment to the applicable official method. Likewise, do not remove cut-offs, yield losses, residues, or outsourced processing from the factual chain merely because they do not appear in the shipped article’s net mass.

Build product records that survive stockholding and fabrication

Steel often changes name, dimensions, owner, and document reference between the mill and the EU import record. A durable product record links the imported SKU back to mill and processor references while keeping transformations, splits, combinations, and substitutions visible. This is more useful than storing one emissions number against a supplier name.

Start with identifiers already present in the business process: purchase order, supplier SKU, customs description, invoice line, packing list, heat or cast reference where provided, coil or bundle reference, certificate reference, and import entry reference. Not every product will have every identifier. The goal is not to invent missing precision; it is to preserve the links that do exist and label gaps honestly. Where a service centre splits a coil across several orders, keep the parent reference and the allocation explanation. Where a fabricator combines plate, sections, and fasteners, retain the component sources instead of attaching one mill certificate to the whole assembly without explanation.

Separate product identity from evidence status. A mill test certificate can support grade, dimensions, heat identity, and other quality facts, but its existence alone does not establish the embedded-emissions basis or accredited verification status. An environmental product declaration or product carbon footprint may provide context, yet its title does not show that its installation boundary, reporting period, units, or method align with the CBAM record. Keep each document’s purpose and issuer visible, then reference the specialist evidence guide for sufficiency and verification questions.

Substitution controls matter in steel procurement. If the contract allows equivalent grade, alternate mill, mixed origin, or spot-market replacement, create a review point before copying prior evidence to the new delivery. The same applies when a distributor fulfils one order from several stock lots. A clean audit trail may show that information is unavailable for one lot; it should not hide the gap by applying the best-documented lot to all quantities.

• Identity fields: commercial SKU, customs description, grade or specification, dimensions, coating, and form.
• Trace fields: order, invoice, packing list, heat/cast/coil/bundle references where supplied, and import entry reference.
• Transformation fields: cut, slit, rolled, drawn, forged, cast, welded, machined, coated, assembled, or repacked, with site and date range.
• Change fields: alternate mill, mixed lots, revised document, corrected quantity, and the downstream records requiring review.

Coordinate the mill, processor, trader, and importer evidence flow

The direct seller may not own the production data. Steel importers need a contact map that distinguishes the mill operator, later processors, fabricator, trader, exporter, broker, and internal data owners. Each request should identify the specific goods and period, while every response should retain its issuer and the part of the chain it actually covers.

A trader can coordinate a response without being the operator that generated the underlying monitoring records. A fabricator may know which coil or plate was consumed but not control the primary mill’s emissions report. A mill may provide installation information but have no view of the final EU import description. Treat these as complementary roles. Ask the direct supplier to map the chain and nominate upstream contacts rather than asking every party for the same generic ‘CBAM certificate’.

Use a request register by supplier and goods family. Record the request version, named contact, goods and order coverage, requested reporting period, due-back date used by the business, response date, and unresolved questions. When material passes through multiple processors, specify which party is expected to provide the primary steel data and which party provides transformation or allocation information. This avoids two common failures: duplicate requests that produce inconsistent answers, and a single request that assumes one company can substantiate the entire chain.

Keep language factual. Ask for installation, process, period, quantity basis, direct and indirect information where the official framework calls for it, precursor or intermediate-source references, report version, and verification status. Do not ask a supplier to provide an official CBAM conclusion or treat a signed spreadsheet as official approval. Use the specialist evidence and verification guidance when detailed evidence states or verifier roles need review.

Prepare a steel-specific review queue

A steel review queue should prioritise traceability breaks, not produce a legal risk score. Useful queue items include unresolved Chapter 72 exclusions, uncertain Chapter 73 article records, missing mill links, mixed-source lots, changed production routes, and supplier figures that lack installation or period context. Each item needs an owner and a next factual question.

Group the queue by the kind of break. Scope-record items concern the full code, description, source date, or a printed exclusion. Chain items concern an unknown mill, processor, or material source. Product items concern substitutions, mixed lots, assemblies, or a missing allocation from parent material. Evidence items concern period, unit, method label, report version, or verification status. Keeping those categories separate helps the right team respond: customs, procurement, operations, sustainability, the supplier, or an external adviser.

Do not rank only by the apparent polish of the documents. A complete-looking corporate sustainability report may be less useful for one imported line than a plain mill response that clearly identifies the installation, route, period, quantity, and source records. Conversely, do not convert missing information to zero or assume a route from country or product type. Mark unavailable, requested, received, revised, or referred for review as factual workflow states.

Stop the initial steel review at preparation. Use the fastener buyer guide for order-specific questions, the precursor guide for formal precursor data consistency, the supplier-evidence and verification guidance for evidence states and independent verification, and the calculators for user-entered estimates. Move to the relevant specialist route when that narrower job begins.

Iron and steel CBAM questions