Brinell hardness number
[ bri-nel-hahrd-nis nuhm-ber ]
nounMetallurgy.
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
1Named after J.A. Brinell (1849–1925), Swedish engineer
- Also called Bri·nell num·ber [bri-nel-nuhm-ber] /brɪˈnɛl ˌnʌm bər/ .
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British Dictionary definitions for Brinell hardness number
Brinell hardness number
/ (brɪˈnɛl) /
noun
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
1C19: named after Johann A. Brinell (1849–1925), Swedish engineer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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