What is a Heat Number in the Steel Industry?

A heat number is one of the details provided on an identification tag that is attached to each coil when it is received from the steel mill. The heat number is the identification number of the batch of steel from which this steel coil was made.

Why are Heat Numbers Important?

Heat numbers serve as an identifiable element on a metal product that can be traced back to its mill sheet. This is crucial in quality control.

Heat Number