It provides no traceable evidence. If a dispute arises, the buyer has no documented test data to rely upon. In most regulated industries (oil & gas, nuclear, pressure vessels), Type 2.1 is unacceptable.
The difference is not in the data but in the independence of verification . A 3.2 certificate means no one from the manufacturer’s payroll has the final say – an external expert has approved the results. en 10204
). www.lefinsteel.net +4 🔍 Key Differences at a Glance Feature Type 2.1 Type 2.2 Type 3.1 Type 3.2 Compliance Statement Yes Yes Yes Yes Test Results No Non-specific Specific (Batch) Specific (Witnessed) Independently Signed No No Yes (Internal QA) Yes (External 3rd Party) Traceability Limited Low High Full 📋 Typical Content of an EN 10204 3.1/3.2 Report A standard Material Test Report (MTR) usually contains: www.lefinsteel.net +2 Manufacturer Info: Name and address of the mill. Product Details: Dimensions, quantity, and material grade. Heat/Batch Number: Used for tracing the metal back to the specific furnace "melt." Chemical Composition: Breakdown of elements like Carbon (C), Manganese (Mn), etc. Mechanical Properties: Yield strength, tensile strength, and elongation. Additional Tests: Ultrasonic (UT), hardness, or impact tests if requested. www.lefinsteel.net +2 If you are trying to It provides no traceable evidence
Declaration of compliance with the order Issued by: Manufacturer Third-party verification: None The difference is not in the data but
EN 10204 is widely used in various industries, including: