hardness number


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Related to hardness number: Rockwell Hardness Number

hardness number

[′härd·nəs ‚nəm·bər]
(engineering)
A number representing the relative hardness of a mineral, metal, or other material as determined by any of more than 30 different hardness tests.
References in periodicals archive ?
Table 2 shows the top and bottom surfaces means and standard deviations of the Vickers hardness numbers (VHN) for all specimens.
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.
I call hard any alloy with a Brinnell hardness number (BHN) of 15 or higher.
All the bullets are cast from lead alloy and then heat treated to Brinell Hardness Number of 18 to 20.
The Vickers hardness number of each specimen was thus evaluated before and after the conditioning procedure.
White irons have hardness up to 750 Brihnell hardness number (Bhn) or higher, depending on chemistry and processing conditions, mainly due to carbides in their microstructure.
A customer required an 85 minimum Brinell Hardness number (BHN) for an aluminum component sand cast in A356.
Using the upgraded equipment, EVRAZ NTMK process engineers managed to attain a Brinnel hardness number of 235 and higher as deep as 35 mm into the wheel tread.