Brinell hardness number

[ bri-nel-hahrd-nis nuhm-ber ]

nounMetallurgy.
  1. a rating obtained from a test (Brinell test ) to determine the hardness of a metal by pressing a steel ball of a standard size into the metal using a standard force. Abbreviations: Bhn, HB

Origin of Brinell hardness number

1
Named after J.A. Brinell (1849–1925), Swedish engineer
  • Also called Bri·nell num·ber [bri-nel-nuhm-ber] /brɪˈnɛl ˌnʌm bər/ .

Words Nearby Brinell hardness number

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British Dictionary definitions for Brinell hardness number

Brinell hardness number

/ (brɪˈnɛl) /


noun
  1. a measure of the hardness of a material obtained by pressing a hard steel ball into its surface; it is expressed as the ratio of the load on the ball in kilograms to the area of the depression made by the ball in square millimetres

Origin of Brinell hardness number

1
C19: named after Johann A. Brinell (1849–1925), Swedish engineer

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