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Brinell Hardness Number Calculator
Load:
Steel Ball Diameter:
Depression Diameter:
Brinell Hardness Number:
     




The Brinell Hardness Number test equation is:
  BHN = 2P/(πD(D-√(D + d)(D-d))
Where:
BHN: Brinell Hardness Number, dimensionless
P: Load, in Newton
D: Steel ball diameter, in meter
d: Depression diameter, in meter

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