Brinell hardness number

[ bri-nel hahrd-nis nuhm-ber ]

noun

, Metallurgy.

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. : Bhn, HB

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 History and Origins

Origin of Brinell hardness number¹

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

Word History and Origins

Origin of Brinell hardness number¹

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