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
Also called
Brinell number.
Origin of Brinell hardness number
named after J.A.
Brinell (1849–1925), Swedish engineer
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