The standard outlines four main types of inspection documents, designated by numbers: . The higher the number, the greater the level of verification and third-party involvement.
The test results are representative but not traceable to the exact delivery.
"We hereby declare that the supplied steel bars conform to the requirements of order PO-12345." 2. Type 2.2 – Test Report Formal Name: Test report Issued by: Manufacturer Third-party verification: None (but based on non-specific inspections) en 10204
For engineers, procurement specialists, and quality managers, understanding EN 10204 is not optional – it is essential to avoid costly liability, ensure regulatory compliance, and build products that are truly fit for purpose. The next time you see “EN 10204 Type 3.1” on a purchase order, you will know exactly what level of trust and traceability is being demanded. Disclaimer: This write-up is for informational purposes. Always consult the official EN 10204:2004 standard and relevant product specifications for legal and contractual compliance.
EN 10204, officially titled "Metallic products — Types of inspection documents," is a European standard that defines the different types of inspection documents supplied to the purchaser. It does not specify material properties, tolerances, or testing methods. Instead, it answers a critical question: The standard outlines four main types of inspection
Crucially, the testing must be witnessed or evaluated by a (e.g., a quality control lab that reports to a different management chain). This ensures internal independence.
Type 2.1 is the most basic declaration. The manufacturer simply states, on a document they produce, that the products supplied comply with the requirements of the order. No test results are provided, and no reference is made to specific inspections. It is essentially a commercial statement of good faith. "We hereby declare that the supplied steel bars
A steel mill produces 50 tonnes of S355J2 plates. The QC lab cuts samples from each plate, tests them, and issues a 3.1 certificate stating: "Heat No. H45678 – Yield 365 MPa, Tensile 510 MPa, Impact 47J at -20°C. Complies with EN 10025-2." 4. Type 3.2 – Inspection Certificate Formal Name: Inspection certificate 3.2 Issued by: An independent third party (not the manufacturer’s own inspection department) Third-party verification: Yes – by an entity recognized by the competent authority (e.g., a notified body, classification society, or independent inspection agency)