Brinell hardness number


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Related to Brinell hardness number: Vickers Hardness Number

Brinell hardness number

n. Abbr. Bhn or HB
The numerical value assigned to the Brinell hardness of metals and alloys. Also called Brinell number.

Brinell hardness number

(brɪˈnɛl)
n
(General Engineering) 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
[C19: named after Johann A. Brinell (1849–1925), Swedish engineer]

Bri•nell′ hard′ness num`ber

(brɪˈnɛl)
n.
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. Abbr.: Bhn
[after J.A. Brinell (1849–1925), Swedish engineer]
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References in periodicals archive ?
4 shows that greater Brinell hardness number represents greater hardness and which inturn shows the smaller area of indentation.
It is very hard, with a Brinell Hardness Number in the 300 to 380 range, but cutting can be very gummy.