EN 10204 material certificates: what they prove, who validates them

What do types 2.1, 2.2, 3.1 and 3.2 mean?

2.1 is a manufacturer's declaration of compliance with no test results. 2.2 adds test results from its routine inspections. 3.1 is validated by the mill's quality department, independent of production. 3.2 adds validation by a customer representative or a designated inspector, independent of the mill.

Source: EN 10204:2004 — Metallic products, types of inspection documents (CEN) · verified 15 August 2026

Which certificate type does SPS provide by default?

The 3.1 certificate is provided as standard on our deliveries of stainless and special-alloy tubes, fittings, flanges and bars; the 3.2, which involves a designated third-party inspector, is available on request and adds lead time and cost at mill level.

Is a 3.1 certificate enough for a steel import declaration?

It carries the necessary information — melt traceability, material test results — but whether it is enough depends on your import file, not the document alone. For CBAM, the declaration covers embedded emissions and authorised-declarant status: the 3.1 is one piece of supporting evidence, not the declaration itself. For Melt & Pour, the regulation cites the material certificate (mill test certificate) as an example of acceptable evidence, without confirming that it is sufficient on its own — the implementing act due before 31 August 2026 should specify exactly which evidence is accepted. Ask your customs broker about your specific file: it is their declaration, not SPS's.

Frequently asked questions

What is the difference between a 3.1 certificate and ISO 9001 certification?

A 3.1 certificate attests that one specific batch matches one specific order, with its test results. ISO 9001 certification attests a quality management system at mill level, not a delivered batch: the two are complementary, not interchangeable.

Can I request a 3.2 after the order is placed?

A 3.2 requires a designated third-party inspector before shipment: request it upstream of the order, not after delivery, so the mill can organise the inspection.

Does the material certificate replace the CBAM or Melt & Pour declaration?

No. It is supporting evidence your customs broker will use to build your declaration — the declaration itself remains your responsibility as importer.

Where can I find the EN 10204 standard text?

From CEN (European Committee for Standardization) or your national standards body: it is not an EU regulatory text published on EUR-Lex, but a technical standard.