

It is just being tested by a second source.ĮN10204 defines a 3.2 certification as a: Sending samples to an independent laboratory for testing to the ordering specifications will still result in a 3.1 certification.

A 3.1 certification is simply the common mill test report that reports test results on the lot of material in question, performed by a laboratory (often operated by the mill itself) that is independent of the personnel actually producing the material. The most common reference is to a 3.1 type certification (3.1 is the paragraph number within EN10204 that describes the content). The standard contains no requirements relative to actual material requirements. EN10204 is a Euronorm (issued by the European Community) specification that describes different types of material test reports and certifications.
