There is no true comparison between Brinell and Rockwell hardness scales, however, this hardness conversion chart (which is for guidance only) gives the approximate relationship between a hardness expressed as a Brinell number, a hardness expressed as a Rockwell number and a hardness expressed as a superficial Rockwell number.
Download a pdf of the hardness conversion chart below
Note: Exact equivalents do not exist between hardness scales. All values stated below must be considered approximate and used with caution. The data below is for guidance only.
Foundrax Engineering Products Ltd accepts no liability for loss or damage, consequential or otherwise, from errors or omissions in the data below.