Source: wikibot/mill-test-report-metals-industry
= Mill test report (metals industry)
{wiki=Mill_test_report_(metals_industry)}
A Mill Test Report (MTR), also known as a Certificate of Compliance or Certificate of Conformance, is a document used in the metals industry to verify the specifications of materials produced by a mill or manufacturer. It provides detailed information about the chemical and physical properties of the metal or alloy made during the production process.