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brinell-hardness

Brinell Hardness Number Calculator

BHN or Brinell Number is the numerical value assigned to the hardness of metals and alloys.

The test is to determine the hardness of a metal by pressing a steel ball of a standard size into the metal using a standard force.



BHN Brinell Hardness Number Test

Load (P) : Kilogram Force
Steel Ball Diameter (D) :millimeter
Depression Diameter (d) :millimeter
Brinell Hardness Number (BHN) :

 
   
  
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Formula:

BHN = (2*P) / [ (pi*D)(D - sqrt(D2-d2)) ]

This online calculator helps you dynamically to calculate the brinell hardness number and test the strength of metal or alloy.