Day: September 5, 2025

Roll Hardness Profiles – What Can the Statistics Tell Us?

Example of device screen showing a roll hardness profile graph with major variations, including mean, standard deviation, coefficient of variation, minimum, maximum, and peak-to-peak hardness values.

Roll Hardness Profiles – What Can the Statistics Tell Us? Quality of rolls is not about appearance – it depends both on the rolled material and on how the roll has been wound. The hardness profile provides valuable insight into roll condition and helps detect faults that are often invisible to the eye or missed […]