Brinell hardness number


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Related to Brinell hardness number: Vickers Hardness Number

Brinell hardness number

A measure of Brinell hardness; obtained by dividing the load expressed in kilograms (applied to a ball, usually 10 mm in diameter), by the area of indentation, expressed in square millimeters.
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References in periodicals archive ?
Q Our customer requires a Brinell hardness number (BHN) of 85 on an A356-T6 sand casting, and our tests show measurements as low as 57 under the riser.
Mine are poured of linotype alloy which is rated with a Brinell hardness number (BHN) of 22.
The first ladle, poured immediately at 2750F showed primarily size 4-5 Type A graphite in a medium spaced pearlitic matrix having an average tensile strength of 34,000 psi and an average Brinell hardness number of 190.