En 10204 May 2026

"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)

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. en 10204

"Test results from routine production monitoring show typical yield strength of 355 MPa. The supplied products comply with EN 10025." 3. Type 3.1 – Inspection Certificate Formal Name: Inspection certificate 3.1 Issued by: Manufacturer (but by an independent inspection department within the manufacturer) Third-party verification: None externally, but internally independent "We hereby declare that the supplied steel bars

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. No test results are provided, and no reference

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:

Introduction In the world of industrial manufacturing, construction, and engineering, trust is a commodity as valuable as the materials themselves. When a steel beam is used in a skyscraper, a pipe in a chemical plant, or a forging in an aircraft landing gear, the buyer needs absolute assurance that the material meets specified requirements. This is where EN 10204 comes into play.