Brinell hardness number


noun Metallurgy.

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. Abbreviation: Bhn

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Also called Brinell number.

Origin of Brinell hardness number

named after J.A. Brinell (1849–1925), Swedish engineer

Words nearby Brinell hardness number

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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

Word Origin for Brinell hardness number

C19: 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