The MillTag Blog
Steel traceability,
explained.
Guides, fundamentals, and field-tested practices for QA teams, service centers, and fabricators working with mill test reports and heat-level chemistry.
Fundamentals·May 22, 2026·6 min read
What Is a Mill Test Report?
The quality assurance document that certifies the chemical and physical properties of every steel product — and why every service center needs to know what's in it.
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How-to·May 20, 2026·10 min read
How to Read a Mill Test Report
A step-by-step walkthrough of an MTR — from customer details and heat codes through chemistry, mechanical properties, and the quality assurance statement.
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