Often, it is better to remove the mill scale before welding rather than risking the production of ____.

Name: Often, it is better to remove the mill scale before welding rather than risking the production of ____.
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Question

Quizplus · Accepted Answer

Mill scale is a layer of oxides that forms on the surface of hot rolled steel. If it is not removed before welding, it can trap gases and create porosity in the weld, weakening its strength. Therefore, it is important to remove the mill scale to avoid porosity.

Often, It Is Better to Remove the Mill Scale Before