Brinell hardness number


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Related to Brinell hardness number: Vickers Hardness Number

Bri·nell hard·ness num·ber (BHN),

(bri-nel'),
a number related to the size of the permanent impression made by a ball indenter of specified size (usually 10 mm in diameter) pressed into the surface of the material under a specified load:
where P = applied load in kg, D = diameter of the ball in mm, and d = diameter of the impression in mm.

Brinell,

Johan August, Swedish metallurgist, 1849-1925.
Brinell hardness number - a number related to the size of the permanent impression made by a ball indenter of specified size pressed into the surface of the material under a specified load.
Brinell scale

Bri·nell hard·ness num·ber

(BHN) (bri-nel hahrdnĕs nŭmbĕr)
Number related to the size of the permanent impression made by a ball indenter of specified size (usually 10 mm in diameter) pressed into the surface of the material under a specified load: where P = applied load in kg, D = diameter of the ball in mm, and d = diameter of the impression in mm.

Brinell hardness number,