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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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.
Gray iron inoculation revisited
Most familiar to cast iron producers and users is the Brinell hardness number (HB), followed closely by the Rock-well [(R.
The growing tension between tensile and Brinell
The diameter of the resultant impression is then measured with a microscope and a Brinell hardness number (Bhn) calculated according to a predetermined formula.
Testing and inspection: the final step in assuring casting quality

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