Rockwell Hardness Sensitivity Coefficients

Select the Rockwell scale of interest from the following choices:

Rockwell HRA (161 KB)
Rockwell HRB (165 KB)
Rockwell HRC (152 KB)
Rockwell HR15N (166 KB)
Rockwell HR30N (168 KB)
Other Rockwell Scales (81 KB)

References

NIST Recommended Practice Guide - Special Publication 960-5:
Rockwell Hardness Measurement of Metallic Materials ( 2.86 MB); January 2001
EA-10/16: EA Guidelines on the Estimation of Uncertainty in Hardness Measurements ( 685 KB); October 2001
NPL Publication CMAM 87: Uncertainty in Hardness Measurement ( 1.91 MB); April 2003

Last Updated: 25 Mar 2010

Created: 18 Jun 2007

Science + Technology

- Hardness methods and sensitivity coefficients

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