Steel Mill Test Certificates (MTCs) play a critical role in verifying the quality, compliance, and traceability of steel products. For UK and international buyers, understanding the difference between EN 10204 Type 3.1 and Type 3.2 certificates is essential to avoid delays, rejections, and compliance issues. This guide explains what steel mill test certificates are, how 3.1 and 3.2 certificates differ, and when each is required. What Is a Steel Mill Test Certificate? A Steel Mill Test Certificate is an official document issued by the steel manufacturer confirming that the supplied material complies with the specified [...]