When ordering metallic products, do not leave the quality documentation to chance.
In industry slang, yes. When people ask for a Mill Sheet or Mill Certificate (MTC), they are almost always referring to EN 10204 3.1. However, be careful—some clients might ask for a "Mill Sheet" but actually require the third-party stamp of a 3.2 certificate.
| Certificate Type | Who Validates? | Test Specificity | Typical Risk Level | | :--- | :--- | :--- | :--- | | | Manufacturer (Production) | No tests performed | Low / Non-critical | | 2.2 | Manufacturer (Production) | Generic tests | Moderate | | 3.1 | Manufacturer (QA Dept) | Specific tests | High / Safety Critical | | 3.2 | External Third Party | Specific tests | Very High / Regulated | en 10204.pdf
Since I cannot directly provide a downloadable PDF file (as I am an AI text model), the most helpful blog post I can write is one that acts as a to the standard.
| Aspect | EN 10204 Type 3.1 | EN 10204 Type 3.2 | |--------|--------------------|--------------------| | Issuer | Manufacturer | Manufacturer + independent third party | | Test witnessing | Not required | Required (by third party) | | Verification of results | Manufacturer’s own quality department | Independent inspection body (or customer) | | Typical use | General engineering, automotive, structural | Pressure vessels, boilers, safety‑critical components | | Cost | Lower | Higher (third‑party involvement) | When ordering metallic products, do not leave the
Disclaimer: This blog post is for informational purposes. Always consult the official EN 10204 standard document directly for precise definitions and legal compliance.
If you work in the procurement, manufacturing, or quality assurance of metallic products, you have likely encountered the term "EN 10204." You may have been asked to provide a "3.1 Certificate" or a "3.2 Certificate" for a shipment. However, be careful—some clients might ask for a
is a European Standard (norm) that defines the types of inspection documents that can be supplied with metallic products (like steel, aluminum, or nickel alloys).
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