Skip To Content

Enroll in our Steel Foundations course. Login or enroll to get Certified!

Mill Scale

Mill scale is the gray, flaky surface created during hot forming processes such as hot rolling or forging, where the red-hot steel contacts the oxygen in the air. Mill scale must be removed prior to any rolling or forming processes.

Get Certified

Complete Steel Foundations to get in-depth knowledge about everything steel.

Enroll in a course to track your progress.

Enroll

We don't support Internet Explorer

Please use Chrome, Safari, Firefox, or Edge to view this site.