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
named after J.A. Brinell (1849-1925), Swedish engineer
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
Word Origin
C19: named after Johann A. Brinell (1849–1925), Swedish engineer