Bhn brinell hardness number

Overview

The Brinell hardness number (BHN) is determined by pressing a hardened steel ball into a material and measuring the indentation diameter.

Formula

$BHN = \frac{2P}{\pi D (D - \sqrt{D^2 - d^2})}$

Calculator

Notes

• Results are approximate and should be verified for critical applications
• Input values should be within reasonable engineering ranges

References

• Original Source